Home / 21,334,140.70-32,001,211.05-15,665,436.70

Finding the Fourth Proportional to 21,334,140.70, 32,001,211.05 and 15,665,436.70

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Solution

The fourth proportional to 21,334,140.70, 32,001,211.05 and 15,665,436.70 is: 23,498,155.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334,140.70 : 32,001,211.05 = 15,665,436.70 : x
  2. Step 2: Convert to fraction form
    21,334,140.70/32,001,211.05 = 15,665,436.70/x
  3. Step 3: Cross multiply
    21,334,140.70x = 32,001,211.05 × 15,665,436.70
  4. Step 4: Simplify right side
    21,334,140.70x = 501,312,946,027,115.50
  5. Step 5: Solve for x
    x = 501,312,946,027,115.50/21,334,140.70
  6. Step 6: Final answer
    x = 23,498,155.05

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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.