Home / 10,459,416.96-15,655,377.60-5,403,772.80

Finding the Fourth Proportional to 10,459,416.96, 15,655,377.60 and 5,403,772.80

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Solution

The fourth proportional to 10,459,416.96, 15,655,377.60 and 5,403,772.80 is: 8,088,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,459,416.96 : 15,655,377.60 = 5,403,772.80 : x
  2. Step 2: Convert to fraction form
    10,459,416.96/15,655,377.60 = 5,403,772.80/x
  3. Step 3: Cross multiply
    10,459,416.96x = 15,655,377.60 × 5,403,772.80
  4. Step 4: Simplify right side
    10,459,416.96x = 84,598,103,648,609.28
  5. Step 5: Solve for x
    x = 84,598,103,648,609.28/10,459,416.96
  6. Step 6: Final answer
    x = 8,088,223.65

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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.