Home / 10,598,977.40-15,879,803.70-8,695,412.60

Finding the Fourth Proportional to 10,598,977.40, 15,879,803.70 and 8,695,412.60

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Solution

The fourth proportional to 10,598,977.40, 15,879,803.70 and 8,695,412.60 is: 13,027,808.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,598,977.40 : 15,879,803.70 = 8,695,412.60 : x
  2. Step 2: Convert to fraction form
    10,598,977.40/15,879,803.70 = 8,695,412.60/x
  3. Step 3: Cross multiply
    10,598,977.40x = 15,879,803.70 × 8,695,412.60
  4. Step 4: Simplify right side
    10,598,977.40x = 138,081,445,178,506.61
  5. Step 5: Solve for x
    x = 138,081,445,178,506.61/10,598,977.40
  6. Step 6: Final answer
    x = 13,027,808.25

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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.