Home / 15,908,852.55-21,953,598.49-9,724,254.42

Finding the Fourth Proportional to 15,908,852.55, 21,953,598.49 and 9,724,254.42

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Solution

The fourth proportional to 15,908,852.55, 21,953,598.49 and 9,724,254.42 is: 13,419,093.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908,852.55 : 21,953,598.49 = 9,724,254.42 : x
  2. Step 2: Convert to fraction form
    15,908,852.55/21,953,598.49 = 9,724,254.42/x
  3. Step 3: Cross multiply
    15,908,852.55x = 21,953,598.49 × 9,724,254.42
  4. Step 4: Simplify right side
    15,908,852.55x = 213,482,377,151,287.81
  5. Step 5: Solve for x
    x = 213,482,377,151,287.81/15,908,852.55
  6. Step 6: Final answer
    x = 13,419,093.33

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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.