Home / 19,942,711.90-29,909,920.65-8,583,531.10

Finding the Fourth Proportional to 19,942,711.90, 29,909,920.65 and 8,583,531.10

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Solution

The fourth proportional to 19,942,711.90, 29,909,920.65 and 8,583,531.10 is: 12,873,511.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942,711.90 : 29,909,920.65 = 8,583,531.10 : x
  2. Step 2: Convert to fraction form
    19,942,711.90/29,909,920.65 = 8,583,531.10/x
  3. Step 3: Cross multiply
    19,942,711.90x = 29,909,920.65 × 8,583,531.10
  4. Step 4: Simplify right side
    19,942,711.90x = 256,732,734,097,807.19
  5. Step 5: Solve for x
    x = 256,732,734,097,807.19/19,942,711.90
  6. Step 6: Final answer
    x = 12,873,511.66

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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.