Home / 28,029,964.20-42,044,946.30-8,866,595.40

Finding the Fourth Proportional to 28,029,964.20, 42,044,946.30 and 8,866,595.40

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Solution

The fourth proportional to 28,029,964.20, 42,044,946.30 and 8,866,595.40 is: 13,299,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029,964.20 : 42,044,946.30 = 8,866,595.40 : x
  2. Step 2: Convert to fraction form
    28,029,964.20/42,044,946.30 = 8,866,595.40/x
  3. Step 3: Cross multiply
    28,029,964.20x = 42,044,946.30 × 8,866,595.40
  4. Step 4: Simplify right side
    28,029,964.20x = 372,795,527,456,827
  5. Step 5: Solve for x
    x = 372,795,527,456,827/28,029,964.20
  6. Step 6: Final answer
    x = 13,299,893.10

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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.