Home / 15,317,036.40-21,140,646.84-9,125,710.06

Finding the Fourth Proportional to 15,317,036.40, 21,140,646.84 and 9,125,710.06

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Solution

The fourth proportional to 15,317,036.40, 21,140,646.84 and 9,125,710.06 is: 12,595,348.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,317,036.40 : 21,140,646.84 = 9,125,710.06 : x
  2. Step 2: Convert to fraction form
    15,317,036.40/21,140,646.84 = 9,125,710.06/x
  3. Step 3: Cross multiply
    15,317,036.40x = 21,140,646.84 × 9,125,710.06
  4. Step 4: Simplify right side
    15,317,036.40x = 192,923,413,542,695.22
  5. Step 5: Solve for x
    x = 192,923,413,542,695.22/15,317,036.40
  6. Step 6: Final answer
    x = 12,595,348.64

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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.