Home / 20,340,357.06-28,069,898.73-11,048,108.55

Finding the Fourth Proportional to 20,340,357.06, 28,069,898.73 and 11,048,108.55

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Solution

The fourth proportional to 20,340,357.06, 28,069,898.73 and 11,048,108.55 is: 15,246,501.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,340,357.06 : 28,069,898.73 = 11,048,108.55 : x
  2. Step 2: Convert to fraction form
    20,340,357.06/28,069,898.73 = 11,048,108.55/x
  3. Step 3: Cross multiply
    20,340,357.06x = 28,069,898.73 × 11,048,108.55
  4. Step 4: Simplify right side
    20,340,357.06x = 310,119,288,156,547.19
  5. Step 5: Solve for x
    x = 310,119,288,156,547.19/20,340,357.06
  6. Step 6: Final answer
    x = 15,246,501.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.