Home / 15,459,892.66-21,329,867.58-8,931,139.98

Finding the Fourth Proportional to 15,459,892.66, 21,329,867.58 and 8,931,139.98

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Solution

The fourth proportional to 15,459,892.66, 21,329,867.58 and 8,931,139.98 is: 12,322,209.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459,892.66 : 21,329,867.58 = 8,931,139.98 : x
  2. Step 2: Convert to fraction form
    15,459,892.66/21,329,867.58 = 8,931,139.98/x
  3. Step 3: Cross multiply
    15,459,892.66x = 21,329,867.58 × 8,931,139.98
  4. Step 4: Simplify right side
    15,459,892.66x = 190,500,033,111,843.84
  5. Step 5: Solve for x
    x = 190,500,033,111,843.84/15,459,892.66
  6. Step 6: Final answer
    x = 12,322,209.30

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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.