Home / 15,681,853.18-21,637,043.58-9,403,366.02

Finding the Fourth Proportional to 15,681,853.18, 21,637,043.58 and 9,403,366.02

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Solution

The fourth proportional to 15,681,853.18, 21,637,043.58 and 9,403,366.02 is: 12,974,298.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,681,853.18 : 21,637,043.58 = 9,403,366.02 : x
  2. Step 2: Convert to fraction form
    15,681,853.18/21,637,043.58 = 9,403,366.02/x
  3. Step 3: Cross multiply
    15,681,853.18x = 21,637,043.58 × 9,403,366.02
  4. Step 4: Simplify right side
    15,681,853.18x = 203,461,040,449,263.22
  5. Step 5: Solve for x
    x = 203,461,040,449,263.22/15,681,853.18
  6. Step 6: Final answer
    x = 12,974,298.26

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1.5x scale

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.