Home / 20,017,807.40-30,026,714.02-4,871,739.08

Finding the Fourth Proportional to 20,017,807.40, 30,026,714.02 and 4,871,739.08

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Solution

The fourth proportional to 20,017,807.40, 30,026,714.02 and 4,871,739.08 is: 7,307,609.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017,807.40 : 30,026,714.02 = 4,871,739.08 : x
  2. Step 2: Convert to fraction form
    20,017,807.40/30,026,714.02 = 4,871,739.08/x
  3. Step 3: Cross multiply
    20,017,807.40x = 30,026,714.02 × 4,871,739.08
  4. Step 4: Simplify right side
    20,017,807.40x = 146,282,316,135,217.91
  5. Step 5: Solve for x
    x = 146,282,316,135,217.91/20,017,807.40
  6. Step 6: Final answer
    x = 7,307,609.33

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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.