Home / 20,337,620.58-30,506,421.15-5,191,547.22

Finding the Fourth Proportional to 20,337,620.58, 30,506,421.15 and 5,191,547.22

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Solution

The fourth proportional to 20,337,620.58, 30,506,421.15 and 5,191,547.22 is: 7,787,318.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,337,620.58 : 30,506,421.15 = 5,191,547.22 : x
  2. Step 2: Convert to fraction form
    20,337,620.58/30,506,421.15 = 5,191,547.22/x
  3. Step 3: Cross multiply
    20,337,620.58x = 30,506,421.15 × 5,191,547.22
  4. Step 4: Simplify right side
    20,337,620.58x = 158,375,525,913,431.69
  5. Step 5: Solve for x
    x = 158,375,525,913,431.69/20,337,620.58
  6. Step 6: Final answer
    x = 7,787,318.35

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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.