Home / 15,360,032.09-21,197,488.25-8,833,666.65

Finding the Fourth Proportional to 15,360,032.09, 21,197,488.25 and 8,833,666.65

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Solution

The fourth proportional to 15,360,032.09, 21,197,488.25 and 8,833,666.65 is: 12,190,830.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,360,032.09 : 21,197,488.25 = 8,833,666.65 : x
  2. Step 2: Convert to fraction form
    15,360,032.09/21,197,488.25 = 8,833,666.65/x
  3. Step 3: Cross multiply
    15,360,032.09x = 21,197,488.25 × 8,833,666.65
  4. Step 4: Simplify right side
    15,360,032.09x = 187,251,544,960,385.47
  5. Step 5: Solve for x
    x = 187,251,544,960,385.47/15,360,032.09
  6. Step 6: Final answer
    x = 12,190,830.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.