Home / 13,411,718.43-18,507,657.60-7,610,154.18

Finding the Fourth Proportional to 13,411,718.43, 18,507,657.60 and 7,610,154.18

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Solution

The fourth proportional to 13,411,718.43, 18,507,657.60 and 7,610,154.18 is: 10,501,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411,718.43 : 18,507,657.60 = 7,610,154.18 : x
  2. Step 2: Convert to fraction form
    13,411,718.43/18,507,657.60 = 7,610,154.18/x
  3. Step 3: Cross multiply
    13,411,718.43x = 18,507,657.60 × 7,610,154.18
  4. Step 4: Simplify right side
    13,411,718.43x = 140,846,127,846,648.78
  5. Step 5: Solve for x
    x = 140,846,127,846,648.78/13,411,718.43
  6. Step 6: Final answer
    x = 10,501,721.21

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1.5x scale

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.