Home / 10,095,320.40-15,142,980.60-4,702,178.40

Finding the Fourth Proportional to 10,095,320.40, 15,142,980.60 and 4,702,178.40

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Solution

The fourth proportional to 10,095,320.40, 15,142,980.60 and 4,702,178.40 is: 7,053,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095,320.40 : 15,142,980.60 = 4,702,178.40 : x
  2. Step 2: Convert to fraction form
    10,095,320.40/15,142,980.60 = 4,702,178.40/x
  3. Step 3: Cross multiply
    10,095,320.40x = 15,142,980.60 × 4,702,178.40
  4. Step 4: Simplify right side
    10,095,320.40x = 71,204,996,288,939.05
  5. Step 5: Solve for x
    x = 71,204,996,288,939.05/10,095,320.40
  6. Step 6: Final answer
    x = 7,053,267.60

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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.