Home / 6,506,020.80-9,747,221.40-5,301,421.20

Finding the Fourth Proportional to 6,506,020.80, 9,747,221.40 and 5,301,421.20

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Solution

The fourth proportional to 6,506,020.80, 9,747,221.40 and 5,301,421.20 is: 7,942,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,506,020.80 : 9,747,221.40 = 5,301,421.20 : x
  2. Step 2: Convert to fraction form
    6,506,020.80/9,747,221.40 = 5,301,421.20/x
  3. Step 3: Cross multiply
    6,506,020.80x = 9,747,221.40 × 5,301,421.20
  4. Step 4: Simplify right side
    6,506,020.80x = 51,674,126,171,053.69
  5. Step 5: Solve for x
    x = 51,674,126,171,053.69/6,506,020.80
  6. Step 6: Final answer
    x = 7,942,508.60

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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.