Home / 12,547,204.30-18,778,816.05-8,768,068.30

Finding the Fourth Proportional to 12,547,204.30, 18,778,816.05 and 8,768,068.30

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Solution

The fourth proportional to 12,547,204.30, 18,778,816.05 and 8,768,068.30 is: 13,122,759.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,204.30 : 18,778,816.05 = 8,768,068.30 : x
  2. Step 2: Convert to fraction form
    12,547,204.30/18,778,816.05 = 8,768,068.30/x
  3. Step 3: Cross multiply
    12,547,204.30x = 18,778,816.05 × 8,768,068.30
  4. Step 4: Simplify right side
    12,547,204.30x = 164,653,941,719,536.25
  5. Step 5: Solve for x
    x = 164,653,941,719,536.25/12,547,204.30
  6. Step 6: Final answer
    x = 13,122,759.28

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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.