Home / 10,334,463.40-15,501,695.10-8,421,275.80

Finding the Fourth Proportional to 10,334,463.40, 15,501,695.10 and 8,421,275.80

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Solution

The fourth proportional to 10,334,463.40, 15,501,695.10 and 8,421,275.80 is: 12,631,913.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,334,463.40 : 15,501,695.10 = 8,421,275.80 : x
  2. Step 2: Convert to fraction form
    10,334,463.40/15,501,695.10 = 8,421,275.80/x
  3. Step 3: Cross multiply
    10,334,463.40x = 15,501,695.10 × 8,421,275.80
  4. Step 4: Simplify right side
    10,334,463.40x = 130,544,049,804,608.59
  5. Step 5: Solve for x
    x = 130,544,049,804,608.59/10,334,463.40
  6. Step 6: Final answer
    x = 12,631,913.70

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.