Home / 15,790,533.88-21,781,840.78-9,506,686.52

Finding the Fourth Proportional to 15,790,533.88, 21,781,840.78 and 9,506,686.52

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Solution

The fourth proportional to 15,790,533.88, 21,781,840.78 and 9,506,686.52 is: 13,113,751.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,790,533.88 : 21,781,840.78 = 9,506,686.52 : x
  2. Step 2: Convert to fraction form
    15,790,533.88/21,781,840.78 = 9,506,686.52/x
  3. Step 3: Cross multiply
    15,790,533.88x = 21,781,840.78 × 9,506,686.52
  4. Step 4: Simplify right side
    15,790,533.88x = 207,073,132,124,012.28
  5. Step 5: Solve for x
    x = 207,073,132,124,012.28/15,790,533.88
  6. Step 6: Final answer
    x = 13,113,751.17

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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.