Home / 28,732,931.56-39,652,281.66-15,681,030.04

Finding the Fourth Proportional to 28,732,931.56, 39,652,281.66 and 15,681,030.04

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Solution

The fourth proportional to 28,732,931.56, 39,652,281.66 and 15,681,030.04 is: 21,640,277.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,732,931.56 : 39,652,281.66 = 15,681,030.04 : x
  2. Step 2: Convert to fraction form
    28,732,931.56/39,652,281.66 = 15,681,030.04/x
  3. Step 3: Cross multiply
    28,732,931.56x = 39,652,281.66 × 15,681,030.04
  4. Step 4: Simplify right side
    28,732,931.56x = 621,788,619,865,001
  5. Step 5: Solve for x
    x = 621,788,619,865,001/28,732,931.56
  6. Step 6: Final answer
    x = 21,640,277.76

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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.