Home / 19,341,901.80-28,979,675.10-9,222,733.80

Finding the Fourth Proportional to 19,341,901.80, 28,979,675.10 and 9,222,733.80

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Solution

The fourth proportional to 19,341,901.80, 28,979,675.10 and 9,222,733.80 is: 13,818,280.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,341,901.80 : 28,979,675.10 = 9,222,733.80 : x
  2. Step 2: Convert to fraction form
    19,341,901.80/28,979,675.10 = 9,222,733.80/x
  3. Step 3: Cross multiply
    19,341,901.80x = 28,979,675.10 × 9,222,733.80
  4. Step 4: Simplify right side
    19,341,901.80x = 267,271,829,057,788.41
  5. Step 5: Solve for x
    x = 267,271,829,057,788.41/19,341,901.80
  6. Step 6: Final answer
    x = 13,818,280.74

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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.