Home / 15,031,477.35-22,547,216.03-12,879,141.30

Finding the Fourth Proportional to 15,031,477.35, 22,547,216.03 and 12,879,141.30

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Solution

The fourth proportional to 15,031,477.35, 22,547,216.03 and 12,879,141.30 is: 19,318,711.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,031,477.35 : 22,547,216.03 = 12,879,141.30 : x
  2. Step 2: Convert to fraction form
    15,031,477.35/22,547,216.03 = 12,879,141.30/x
  3. Step 3: Cross multiply
    15,031,477.35x = 22,547,216.03 × 12,879,141.30
  4. Step 4: Simplify right side
    15,031,477.35x = 290,388,781,107,599.31
  5. Step 5: Solve for x
    x = 290,388,781,107,599.31/15,031,477.35
  6. Step 6: Final answer
    x = 19,318,711.95

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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.