Home / 8,748,101.70-13,122,152.55-6,489,477.45

Finding the Fourth Proportional to 8,748,101.70, 13,122,152.55 and 6,489,477.45

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Solution

The fourth proportional to 8,748,101.70, 13,122,152.55 and 6,489,477.45 is: 9,734,216.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,101.70 : 13,122,152.55 = 6,489,477.45 : x
  2. Step 2: Convert to fraction form
    8,748,101.70/13,122,152.55 = 6,489,477.45/x
  3. Step 3: Cross multiply
    8,748,101.70x = 13,122,152.55 × 6,489,477.45
  4. Step 4: Simplify right side
    8,748,101.70x = 85,155,913,068,685
  5. Step 5: Solve for x
    x = 85,155,913,068,685/8,748,101.70
  6. Step 6: Final answer
    x = 9,734,216.18

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Double scale
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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.