Home / 13,572,345.92-18,729,363.04-7,460,730.56

Finding the Fourth Proportional to 13,572,345.92, 18,729,363.04 and 7,460,730.56

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Solution

The fourth proportional to 13,572,345.92, 18,729,363.04 and 7,460,730.56 is: 10,295,547.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572,345.92 : 18,729,363.04 = 7,460,730.56 : x
  2. Step 2: Convert to fraction form
    13,572,345.92/18,729,363.04 = 7,460,730.56/x
  3. Step 3: Cross multiply
    13,572,345.92x = 18,729,363.04 × 7,460,730.56
  4. Step 4: Simplify right side
    13,572,345.92x = 139,734,731,201,862.48
  5. Step 5: Solve for x
    x = 139,734,731,201,862.48/13,572,345.92
  6. Step 6: Final answer
    x = 10,295,547.43

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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.