Home / 8,889,419.30-13,334,128.95-6,649,931.30

Finding the Fourth Proportional to 8,889,419.30, 13,334,128.95 and 6,649,931.30

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Solution

The fourth proportional to 8,889,419.30, 13,334,128.95 and 6,649,931.30 is: 9,974,896.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,419.30 : 13,334,128.95 = 6,649,931.30 : x
  2. Step 2: Convert to fraction form
    8,889,419.30/13,334,128.95 = 6,649,931.30/x
  3. Step 3: Cross multiply
    8,889,419.30x = 13,334,128.95 × 6,649,931.30
  4. Step 4: Simplify right side
    8,889,419.30x = 88,671,041,462,841.12
  5. Step 5: Solve for x
    x = 88,671,041,462,841.12/8,889,419.30
  6. Step 6: Final answer
    x = 9,974,896.95

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.