Home / 15,036,477.20-20,750,347.32-8,160,959.20

Finding the Fourth Proportional to 15,036,477.20, 20,750,347.32 and 8,160,959.20

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Solution

The fourth proportional to 15,036,477.20, 20,750,347.32 and 8,160,959.20 is: 11,262,128.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,477.20 : 20,750,347.32 = 8,160,959.20 : x
  2. Step 2: Convert to fraction form
    15,036,477.20/20,750,347.32 = 8,160,959.20/x
  3. Step 3: Cross multiply
    15,036,477.20x = 20,750,347.32 × 8,160,959.20
  4. Step 4: Simplify right side
    15,036,477.20x = 169,342,737,864,349.34
  5. Step 5: Solve for x
    x = 169,342,737,864,349.34/15,036,477.20
  6. Step 6: Final answer
    x = 11,262,128.46

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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.