Home / 43,103,980.60-64,665,302.10-12,814,905.40

Finding the Fourth Proportional to 43,103,980.60, 64,665,302.10 and 12,814,905.40

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Solution

The fourth proportional to 43,103,980.60, 64,665,302.10 and 12,814,905.40 is: 19,225,132.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,103,980.60 : 64,665,302.10 = 12,814,905.40 : x
  2. Step 2: Convert to fraction form
    43,103,980.60/64,665,302.10 = 12,814,905.40/x
  3. Step 3: Cross multiply
    43,103,980.60x = 64,665,302.10 × 12,814,905.40
  4. Step 4: Simplify right side
    43,103,980.60x = 828,679,729,073,921.38
  5. Step 5: Solve for x
    x = 828,679,729,073,921.38/43,103,980.60
  6. Step 6: Final answer
    x = 19,225,132.29

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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.