Home / 30,356,646.21-45,538,158.69-9,887,961.60

Finding the Fourth Proportional to 30,356,646.21, 45,538,158.69 and 9,887,961.60

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Solution

The fourth proportional to 30,356,646.21, 45,538,158.69 and 9,887,961.60 is: 14,832,981.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,356,646.21 : 45,538,158.69 = 9,887,961.60 : x
  2. Step 2: Convert to fraction form
    30,356,646.21/45,538,158.69 = 9,887,961.60/x
  3. Step 3: Cross multiply
    30,356,646.21x = 45,538,158.69 × 9,887,961.60
  4. Step 4: Simplify right side
    30,356,646.21x = 450,279,564,461,426.25
  5. Step 5: Solve for x
    x = 450,279,564,461,426.25/30,356,646.21
  6. Step 6: Final answer
    x = 14,832,981.26

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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.