Home / 30,340,069.10-45,516,008.55-8,775,374.30

Finding the Fourth Proportional to 30,340,069.10, 45,516,008.55 and 8,775,374.30

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Solution

The fourth proportional to 30,340,069.10, 45,516,008.55 and 8,775,374.30 is: 13,164,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,340,069.10 : 45,516,008.55 = 8,775,374.30 : x
  2. Step 2: Convert to fraction form
    30,340,069.10/45,516,008.55 = 8,775,374.30/x
  3. Step 3: Cross multiply
    30,340,069.10x = 45,516,008.55 × 8,775,374.30
  4. Step 4: Simplify right side
    30,340,069.10x = 399,420,011,668,250.25
  5. Step 5: Solve for x
    x = 399,420,011,668,250.25/30,340,069.10
  6. Step 6: Final answer
    x = 13,164,769.35

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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.