Home / 13,338,875.70-18,407,660.58-7,227,304.20

Finding the Fourth Proportional to 13,338,875.70, 18,407,660.58 and 7,227,304.20

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Solution

The fourth proportional to 13,338,875.70, 18,407,660.58 and 7,227,304.20 is: 9,973,686.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,875.70 : 18,407,660.58 = 7,227,304.20 : x
  2. Step 2: Convert to fraction form
    13,338,875.70/18,407,660.58 = 7,227,304.20/x
  3. Step 3: Cross multiply
    13,338,875.70x = 18,407,660.58 × 7,227,304.20
  4. Step 4: Simplify right side
    13,338,875.70x = 133,037,762,622,008.42
  5. Step 5: Solve for x
    x = 133,037,762,622,008.42/13,338,875.70
  6. Step 6: Final answer
    x = 9,973,686.36

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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.