Home / 28,964,118.80-43,433,347.80-9,789,669.20

Finding the Fourth Proportional to 28,964,118.80, 43,433,347.80 and 9,789,669.20

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Solution

The fourth proportional to 28,964,118.80, 43,433,347.80 and 9,789,669.20 is: 14,680,167.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964,118.80 : 43,433,347.80 = 9,789,669.20 : x
  2. Step 2: Convert to fraction form
    28,964,118.80/43,433,347.80 = 9,789,669.20/x
  3. Step 3: Cross multiply
    28,964,118.80x = 43,433,347.80 × 9,789,669.20
  4. Step 4: Simplify right side
    28,964,118.80x = 425,198,107,210,547.69
  5. Step 5: Solve for x
    x = 425,198,107,210,547.69/28,964,118.80
  6. Step 6: Final answer
    x = 14,680,167.21

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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.