Home / 27,985,498.65-38,620,025.16-15,595,320.18

Finding the Fourth Proportional to 27,985,498.65, 38,620,025.16 and 15,595,320.18

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Solution

The fourth proportional to 27,985,498.65, 38,620,025.16 and 15,595,320.18 is: 21,521,562.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,985,498.65 : 38,620,025.16 = 15,595,320.18 : x
  2. Step 2: Convert to fraction form
    27,985,498.65/38,620,025.16 = 15,595,320.18/x
  3. Step 3: Cross multiply
    27,985,498.65x = 38,620,025.16 × 15,595,320.18
  4. Step 4: Simplify right side
    27,985,498.65x = 602,291,657,697,114.50
  5. Step 5: Solve for x
    x = 602,291,657,697,114.50/27,985,498.65
  6. Step 6: Final answer
    x = 21,521,562.48

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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.