Home / 15,287,272.20-21,094,026.48-8,759,646.36

Finding the Fourth Proportional to 15,287,272.20, 21,094,026.48 and 8,759,646.36

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Solution

The fourth proportional to 15,287,272.20, 21,094,026.48 and 8,759,646.36 is: 12,086,931.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,287,272.20 : 21,094,026.48 = 8,759,646.36 : x
  2. Step 2: Convert to fraction form
    15,287,272.20/21,094,026.48 = 8,759,646.36/x
  3. Step 3: Cross multiply
    15,287,272.20x = 21,094,026.48 × 8,759,646.36
  4. Step 4: Simplify right side
    15,287,272.20x = 184,776,212,273,275.59
  5. Step 5: Solve for x
    x = 184,776,212,273,275.59/15,287,272.20
  6. Step 6: Final answer
    x = 12,086,931.52

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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.