Home / 28,976,719.80-43,465,079.70-8,779,337.40

Finding the Fourth Proportional to 28,976,719.80, 43,465,079.70 and 8,779,337.40

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Solution

The fourth proportional to 28,976,719.80, 43,465,079.70 and 8,779,337.40 is: 13,169,006.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,976,719.80 : 43,465,079.70 = 8,779,337.40 : x
  2. Step 2: Convert to fraction form
    28,976,719.80/43,465,079.70 = 8,779,337.40/x
  3. Step 3: Cross multiply
    28,976,719.80x = 43,465,079.70 × 8,779,337.40
  4. Step 4: Simplify right side
    28,976,719.80x = 381,594,599,804,190.81
  5. Step 5: Solve for x
    x = 381,594,599,804,190.81/28,976,719.80
  6. Step 6: Final answer
    x = 13,169,006.10

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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.