Home / 28,430,837.67-42,646,381.49-9,000,159.15

Finding the Fourth Proportional to 28,430,837.67, 42,646,381.49 and 9,000,159.15

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Solution

The fourth proportional to 28,430,837.67, 42,646,381.49 and 9,000,159.15 is: 13,500,278.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430,837.67 : 42,646,381.49 = 9,000,159.15 : x
  2. Step 2: Convert to fraction form
    28,430,837.67/42,646,381.49 = 9,000,159.15/x
  3. Step 3: Cross multiply
    28,430,837.67x = 42,646,381.49 × 9,000,159.15
  4. Step 4: Simplify right side
    28,430,837.67x = 383,824,220,581,614.19
  5. Step 5: Solve for x
    x = 383,824,220,581,614.19/28,430,837.67
  6. Step 6: Final answer
    x = 13,500,278.29

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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.