Home / 14,038,072.65-21,057,108.98-7,970,459.85

Finding the Fourth Proportional to 14,038,072.65, 21,057,108.98 and 7,970,459.85

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Solution

The fourth proportional to 14,038,072.65, 21,057,108.98 and 7,970,459.85 is: 11,955,689.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,038,072.65 : 21,057,108.98 = 7,970,459.85 : x
  2. Step 2: Convert to fraction form
    14,038,072.65/21,057,108.98 = 7,970,459.85/x
  3. Step 3: Cross multiply
    14,038,072.65x = 21,057,108.98 × 7,970,459.85
  4. Step 4: Simplify right side
    14,038,072.65x = 167,834,841,642,312.16
  5. Step 5: Solve for x
    x = 167,834,841,642,312.16/14,038,072.65
  6. Step 6: Final answer
    x = 11,955,689.78

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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.