Home / 7,403,512.87-10,217,368.41-4,140,631.21

Finding the Fourth Proportional to 7,403,512.87, 10,217,368.41 and 4,140,631.21

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Solution

The fourth proportional to 7,403,512.87, 10,217,368.41 and 4,140,631.21 is: 5,714,362.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403,512.87 : 10,217,368.41 = 4,140,631.21 : x
  2. Step 2: Convert to fraction form
    7,403,512.87/10,217,368.41 = 4,140,631.21/x
  3. Step 3: Cross multiply
    7,403,512.87x = 10,217,368.41 × 4,140,631.21
  4. Step 4: Simplify right side
    7,403,512.87x = 42,306,354,536,897.46
  5. Step 5: Solve for x
    x = 42,306,354,536,897.46/7,403,512.87
  6. Step 6: Final answer
    x = 5,714,362.26

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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.