Home / 27,779,110.68-38,337,526.85-15,393,089.32

Finding the Fourth Proportional to 27,779,110.68, 38,337,526.85 and 15,393,089.32

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Solution

The fourth proportional to 27,779,110.68, 38,337,526.85 and 15,393,089.32 is: 21,243,767.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,779,110.68 : 38,337,526.85 = 15,393,089.32 : x
  2. Step 2: Convert to fraction form
    27,779,110.68/38,337,526.85 = 15,393,089.32/x
  3. Step 3: Cross multiply
    27,779,110.68x = 38,337,526.85 × 15,393,089.32
  4. Step 4: Simplify right side
    27,779,110.68x = 590,132,975,148,431
  5. Step 5: Solve for x
    x = 590,132,975,148,431/27,779,110.68
  6. Step 6: Final answer
    x = 21,243,767.74

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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.