Home / 15,290,001.32-21,100,195.65-8,414,483.38

Finding the Fourth Proportional to 15,290,001.32, 21,100,195.65 and 8,414,483.38

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Solution

The fourth proportional to 15,290,001.32, 21,100,195.65 and 8,414,483.38 is: 11,611,983.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290,001.32 : 21,100,195.65 = 8,414,483.38 : x
  2. Step 2: Convert to fraction form
    15,290,001.32/21,100,195.65 = 8,414,483.38/x
  3. Step 3: Cross multiply
    15,290,001.32x = 21,100,195.65 × 8,414,483.38
  4. Step 4: Simplify right side
    15,290,001.32x = 177,547,245,506,172.31
  5. Step 5: Solve for x
    x = 177,547,245,506,172.31/15,290,001.32
  6. Step 6: Final answer
    x = 11,611,983.66

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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.