Home / 12,283,206.32-18,427,171.08-4,709,581.40

Finding the Fourth Proportional to 12,283,206.32, 18,427,171.08 and 4,709,581.40

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Solution

The fourth proportional to 12,283,206.32, 18,427,171.08 and 4,709,581.40 is: 7,065,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283,206.32 : 18,427,171.08 = 4,709,581.40 : x
  2. Step 2: Convert to fraction form
    12,283,206.32/18,427,171.08 = 4,709,581.40/x
  3. Step 3: Cross multiply
    12,283,206.32x = 18,427,171.08 × 4,709,581.40
  4. Step 4: Simplify right side
    12,283,206.32x = 86,784,262,172,985.91
  5. Step 5: Solve for x
    x = 86,784,262,172,985.91/12,283,206.32
  6. Step 6: Final answer
    x = 7,065,277.58

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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.