Home / 18,935,643.60-28,403,465.40-6,156,565.20

Finding the Fourth Proportional to 18,935,643.60, 28,403,465.40 and 6,156,565.20

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Solution

The fourth proportional to 18,935,643.60, 28,403,465.40 and 6,156,565.20 is: 9,234,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,935,643.60 : 28,403,465.40 = 6,156,565.20 : x
  2. Step 2: Convert to fraction form
    18,935,643.60/28,403,465.40 = 6,156,565.20/x
  3. Step 3: Cross multiply
    18,935,643.60x = 28,403,465.40 × 6,156,565.20
  4. Step 4: Simplify right side
    18,935,643.60x = 174,867,786,641,044.06
  5. Step 5: Solve for x
    x = 174,867,786,641,044.06/18,935,643.60
  6. Step 6: Final answer
    x = 9,234,847.80

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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.