Home / 12,225,698.20-18,338,547.30-11,301,909.40

Finding the Fourth Proportional to 12,225,698.20, 18,338,547.30 and 11,301,909.40

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Solution

The fourth proportional to 12,225,698.20, 18,338,547.30 and 11,301,909.40 is: 16,952,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225,698.20 : 18,338,547.30 = 11,301,909.40 : x
  2. Step 2: Convert to fraction form
    12,225,698.20/18,338,547.30 = 11,301,909.40/x
  3. Step 3: Cross multiply
    12,225,698.20x = 18,338,547.30 × 11,301,909.40
  4. Step 4: Simplify right side
    12,225,698.20x = 207,260,600,112,214.62
  5. Step 5: Solve for x
    x = 207,260,600,112,214.62/12,225,698.20
  6. Step 6: Final answer
    x = 16,952,864.10

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1.5x scale

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.