Home / 21,049,160.13-29,047,841.18-11,391,368.13

Finding the Fourth Proportional to 21,049,160.13, 29,047,841.18 and 11,391,368.13

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Solution

The fourth proportional to 21,049,160.13, 29,047,841.18 and 11,391,368.13 is: 15,720,088.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,049,160.13 : 29,047,841.18 = 11,391,368.13 : x
  2. Step 2: Convert to fraction form
    21,049,160.13/29,047,841.18 = 11,391,368.13/x
  3. Step 3: Cross multiply
    21,049,160.13x = 29,047,841.18 × 11,391,368.13
  4. Step 4: Simplify right side
    21,049,160.13x = 330,894,652,263,153.62
  5. Step 5: Solve for x
    x = 330,894,652,263,153.62/21,049,160.13
  6. Step 6: Final answer
    x = 15,720,088.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.