Home / 15,280,209.65-21,095,404.95-10,130,546.36

Finding the Fourth Proportional to 15,280,209.65, 21,095,404.95 and 10,130,546.36

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Solution

The fourth proportional to 15,280,209.65, 21,095,404.95 and 10,130,546.36 is: 13,985,932.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280,209.65 : 21,095,404.95 = 10,130,546.36 : x
  2. Step 2: Convert to fraction form
    15,280,209.65/21,095,404.95 = 10,130,546.36/x
  3. Step 3: Cross multiply
    15,280,209.65x = 21,095,404.95 × 10,130,546.36
  4. Step 4: Simplify right side
    15,280,209.65x = 213,707,977,723,471.47
  5. Step 5: Solve for x
    x = 213,707,977,723,471.47/15,280,209.65
  6. Step 6: Final answer
    x = 13,985,932.31

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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.