Home / 28,522,027.60-42,783,041.40-13,169,287.60

Finding the Fourth Proportional to 28,522,027.60, 42,783,041.40 and 13,169,287.60

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Solution

The fourth proportional to 28,522,027.60, 42,783,041.40 and 13,169,287.60 is: 19,753,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,522,027.60 : 42,783,041.40 = 13,169,287.60 : x
  2. Step 2: Convert to fraction form
    28,522,027.60/42,783,041.40 = 13,169,287.60/x
  3. Step 3: Cross multiply
    28,522,027.60x = 42,783,041.40 × 13,169,287.60
  4. Step 4: Simplify right side
    28,522,027.60x = 563,422,176,599,306.62
  5. Step 5: Solve for x
    x = 563,422,176,599,306.62/28,522,027.60
  6. Step 6: Final answer
    x = 19,753,931.40

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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.