Home / 21,870,023.60-32,805,035.40-12,762,772.40

Finding the Fourth Proportional to 21,870,023.60, 32,805,035.40 and 12,762,772.40

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Solution

The fourth proportional to 21,870,023.60, 32,805,035.40 and 12,762,772.40 is: 19,144,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,870,023.60 : 32,805,035.40 = 12,762,772.40 : x
  2. Step 2: Convert to fraction form
    21,870,023.60/32,805,035.40 = 12,762,772.40/x
  3. Step 3: Cross multiply
    21,870,023.60x = 32,805,035.40 × 12,762,772.40
  4. Step 4: Simplify right side
    21,870,023.60x = 418,683,200,384,142.94
  5. Step 5: Solve for x
    x = 418,683,200,384,142.94/21,870,023.60
  6. Step 6: Final answer
    x = 19,144,158.60

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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.