Home / 21,021,861.17-31,513,527-7,367,564.51

Finding the Fourth Proportional to 21,021,861.17, 31,513,527 and 7,367,564.51

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Solution

The fourth proportional to 21,021,861.17, 31,513,527 and 7,367,564.51 is: 11,044,595.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,021,861.17 : 31,513,527 = 7,367,564.51 : x
  2. Step 2: Convert to fraction form
    21,021,861.17/31,513,527 = 7,367,564.51/x
  3. Step 3: Cross multiply
    21,021,861.17x = 31,513,527 × 7,367,564.51
  4. Step 4: Simplify right side
    21,021,861.17x = 232,177,943,110,126.75
  5. Step 5: Solve for x
    x = 232,177,943,110,126.75/21,021,861.17
  6. Step 6: Final answer
    x = 11,044,595.02

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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.