Home / 12,464,545.60-18,693,319.20-3,947,492.80

Finding the Fourth Proportional to 12,464,545.60, 18,693,319.20 and 3,947,492.80

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Solution

The fourth proportional to 12,464,545.60, 18,693,319.20 and 3,947,492.80 is: 5,920,131.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464,545.60 : 18,693,319.20 = 3,947,492.80 : x
  2. Step 2: Convert to fraction form
    12,464,545.60/18,693,319.20 = 3,947,492.80/x
  3. Step 3: Cross multiply
    12,464,545.60x = 18,693,319.20 × 3,947,492.80
  4. Step 4: Simplify right side
    12,464,545.60x = 73,791,742,950,101.75
  5. Step 5: Solve for x
    x = 73,791,742,950,101.75/12,464,545.60
  6. Step 6: Final answer
    x = 5,920,131.01

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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.