Home / 39,344,486.40-59,016,729.60-12,414,643.20

Finding the Fourth Proportional to 39,344,486.40, 59,016,729.60 and 12,414,643.20

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Solution

The fourth proportional to 39,344,486.40, 59,016,729.60 and 12,414,643.20 is: 18,621,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,344,486.40 : 59,016,729.60 = 12,414,643.20 : x
  2. Step 2: Convert to fraction form
    39,344,486.40/59,016,729.60 = 12,414,643.20/x
  3. Step 3: Cross multiply
    39,344,486.40x = 59,016,729.60 × 12,414,643.20
  4. Step 4: Simplify right side
    39,344,486.40x = 732,671,640,814,878.75
  5. Step 5: Solve for x
    x = 732,671,640,814,878.75/39,344,486.40
  6. Step 6: Final answer
    x = 18,621,964.80

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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.