Home / 30,341,920.70-45,528,627.45-13,304,315.90

Finding the Fourth Proportional to 30,341,920.70, 45,528,627.45 and 13,304,315.90

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Solution

The fourth proportional to 30,341,920.70, 45,528,627.45 and 13,304,315.90 is: 19,963,378.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,341,920.70 : 45,528,627.45 = 13,304,315.90 : x
  2. Step 2: Convert to fraction form
    30,341,920.70/45,528,627.45 = 13,304,315.90/x
  3. Step 3: Cross multiply
    30,341,920.70x = 45,528,627.45 × 13,304,315.90
  4. Step 4: Simplify right side
    30,341,920.70x = 605,727,242,088,211.50
  5. Step 5: Solve for x
    x = 605,727,242,088,211.50/30,341,920.70
  6. Step 6: Final answer
    x = 19,963,378.33

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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.