Home / 20,174,123.60-30,263,950.20-6,709,547.60

Finding the Fourth Proportional to 20,174,123.60, 30,263,950.20 and 6,709,547.60

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Solution

The fourth proportional to 20,174,123.60, 30,263,950.20 and 6,709,547.60 is: 10,065,240.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174,123.60 : 30,263,950.20 = 6,709,547.60 : x
  2. Step 2: Convert to fraction form
    20,174,123.60/30,263,950.20 = 6,709,547.60/x
  3. Step 3: Cross multiply
    20,174,123.60x = 30,263,950.20 × 6,709,547.60
  4. Step 4: Simplify right side
    20,174,123.60x = 203,057,414,430,929.50
  5. Step 5: Solve for x
    x = 203,057,414,430,929.50/20,174,123.60
  6. Step 6: Final answer
    x = 10,065,240.92

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1.5x scale

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.