Home / 12,637,358.08-17,421,415.68-9,009,387.52

Finding the Fourth Proportional to 12,637,358.08, 17,421,415.68 and 9,009,387.52

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Solution

The fourth proportional to 12,637,358.08, 17,421,415.68 and 9,009,387.52 is: 12,420,023.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637,358.08 : 17,421,415.68 = 9,009,387.52 : x
  2. Step 2: Convert to fraction form
    12,637,358.08/17,421,415.68 = 9,009,387.52/x
  3. Step 3: Cross multiply
    12,637,358.08x = 17,421,415.68 × 9,009,387.52
  4. Step 4: Simplify right side
    12,637,358.08x = 156,956,285,008,124.31
  5. Step 5: Solve for x
    x = 156,956,285,008,124.31/12,637,358.08
  6. Step 6: Final answer
    x = 12,420,023.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.