Home / 21,762,639.60-32,643,959.40-19,411,177.20

Finding the Fourth Proportional to 21,762,639.60, 32,643,959.40 and 19,411,177.20

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Solution

The fourth proportional to 21,762,639.60, 32,643,959.40 and 19,411,177.20 is: 29,116,765.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,762,639.60 : 32,643,959.40 = 19,411,177.20 : x
  2. Step 2: Convert to fraction form
    21,762,639.60/32,643,959.40 = 19,411,177.20/x
  3. Step 3: Cross multiply
    21,762,639.60x = 32,643,959.40 × 19,411,177.20
  4. Step 4: Simplify right side
    21,762,639.60x = 633,657,680,423,005.62
  5. Step 5: Solve for x
    x = 633,657,680,423,005.62/21,762,639.60
  6. Step 6: Final answer
    x = 29,116,765.80

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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.