Home / 10,128,886.08-15,194,830.92-2,940,479.52

Finding the Fourth Proportional to 10,128,886.08, 15,194,830.92 and 2,940,479.52

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Solution

The fourth proportional to 10,128,886.08, 15,194,830.92 and 2,940,479.52 is: 4,411,155.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,128,886.08 : 15,194,830.92 = 2,940,479.52 : x
  2. Step 2: Convert to fraction form
    10,128,886.08/15,194,830.92 = 2,940,479.52/x
  3. Step 3: Cross multiply
    10,128,886.08x = 15,194,830.92 × 2,940,479.52
  4. Step 4: Simplify right side
    10,128,886.08x = 44,680,089,130,122.76
  5. Step 5: Solve for x
    x = 44,680,089,130,122.76/10,128,886.08
  6. Step 6: Final answer
    x = 4,411,155.26

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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.