Home / 30,109,032.80-45,163,584.48-8,249,597.12

Finding the Fourth Proportional to 30,109,032.80, 45,163,584.48 and 8,249,597.12

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Solution

The fourth proportional to 30,109,032.80, 45,163,584.48 and 8,249,597.12 is: 12,374,405.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,109,032.80 : 45,163,584.48 = 8,249,597.12 : x
  2. Step 2: Convert to fraction form
    30,109,032.80/45,163,584.48 = 8,249,597.12/x
  3. Step 3: Cross multiply
    30,109,032.80x = 45,163,584.48 × 8,249,597.12
  4. Step 4: Simplify right side
    30,109,032.80x = 372,581,376,455,084.69
  5. Step 5: Solve for x
    x = 372,581,376,455,084.69/30,109,032.80
  6. Step 6: Final answer
    x = 12,374,405.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.