Home / 28,391,611.60-42,587,417.40-9,224,306.20

Finding the Fourth Proportional to 28,391,611.60, 42,587,417.40 and 9,224,306.20

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Solution

The fourth proportional to 28,391,611.60, 42,587,417.40 and 9,224,306.20 is: 13,836,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,391,611.60 : 42,587,417.40 = 9,224,306.20 : x
  2. Step 2: Convert to fraction form
    28,391,611.60/42,587,417.40 = 9,224,306.20/x
  3. Step 3: Cross multiply
    28,391,611.60x = 42,587,417.40 × 9,224,306.20
  4. Step 4: Simplify right side
    28,391,611.60x = 392,839,378,364,807.81
  5. Step 5: Solve for x
    x = 392,839,378,364,807.81/28,391,611.60
  6. Step 6: Final answer
    x = 13,836,459.30

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1.5x scale

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.