Home / 28,089,497.80-42,134,246.70-13,714,784.20

Finding the Fourth Proportional to 28,089,497.80, 42,134,246.70 and 13,714,784.20

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Solution

The fourth proportional to 28,089,497.80, 42,134,246.70 and 13,714,784.20 is: 20,572,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,089,497.80 : 42,134,246.70 = 13,714,784.20 : x
  2. Step 2: Convert to fraction form
    28,089,497.80/42,134,246.70 = 13,714,784.20/x
  3. Step 3: Cross multiply
    28,089,497.80x = 42,134,246.70 × 13,714,784.20
  4. Step 4: Simplify right side
    28,089,497.80x = 577,862,100,920,062.12
  5. Step 5: Solve for x
    x = 577,862,100,920,062.12/28,089,497.80
  6. Step 6: Final answer
    x = 20,572,176.30

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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.