Home / 21,866,087.40-32,813,127.90-12,768,167.40

Finding the Fourth Proportional to 21,866,087.40, 32,813,127.90 and 12,768,167.40

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Solution

The fourth proportional to 21,866,087.40, 32,813,127.90 and 12,768,167.40 is: 19,160,424.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,866,087.40 : 32,813,127.90 = 12,768,167.40 : x
  2. Step 2: Convert to fraction form
    21,866,087.40/32,813,127.90 = 12,768,167.40/x
  3. Step 3: Cross multiply
    21,866,087.40x = 32,813,127.90 × 12,768,167.40
  4. Step 4: Simplify right side
    21,866,087.40x = 418,963,509,944,810.44
  5. Step 5: Solve for x
    x = 418,963,509,944,810.44/21,866,087.40
  6. Step 6: Final answer
    x = 19,160,424.19

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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.