Home / 12,244,989.60-18,374,482.80-4,677,386.40

Finding the Fourth Proportional to 12,244,989.60, 18,374,482.80 and 4,677,386.40

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Solution

The fourth proportional to 12,244,989.60, 18,374,482.80 and 4,677,386.40 is: 7,018,752.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,244,989.60 : 18,374,482.80 = 4,677,386.40 : x
  2. Step 2: Convert to fraction form
    12,244,989.60/18,374,482.80 = 4,677,386.40/x
  3. Step 3: Cross multiply
    12,244,989.60x = 18,374,482.80 × 4,677,386.40
  4. Step 4: Simplify right side
    12,244,989.60x = 85,944,555,955,753.94
  5. Step 5: Solve for x
    x = 85,944,555,955,753.94/12,244,989.60
  6. Step 6: Final answer
    x = 7,018,752.87

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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.