Home / 28,522,031.60-42,783,047.40-13,169,291.60

Finding the Fourth Proportional to 28,522,031.60, 42,783,047.40 and 13,169,291.60

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Solution

The fourth proportional to 28,522,031.60, 42,783,047.40 and 13,169,291.60 is: 19,753,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,522,031.60 : 42,783,047.40 = 13,169,291.60 : x
  2. Step 2: Convert to fraction form
    28,522,031.60/42,783,047.40 = 13,169,291.60/x
  3. Step 3: Cross multiply
    28,522,031.60x = 42,783,047.40 × 13,169,291.60
  4. Step 4: Simplify right side
    28,522,031.60x = 563,422,426,747,221.75
  5. Step 5: Solve for x
    x = 563,422,426,747,221.75/28,522,031.60
  6. Step 6: Final answer
    x = 19,753,937.40

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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.