Home / 30,341,861.20-45,528,538.20-13,304,256.40

Finding the Fourth Proportional to 30,341,861.20, 45,528,538.20 and 13,304,256.40

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Solution

The fourth proportional to 30,341,861.20, 45,528,538.20 and 13,304,256.40 is: 19,963,289.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,341,861.20 : 45,528,538.20 = 13,304,256.40 : x
  2. Step 2: Convert to fraction form
    30,341,861.20/45,528,538.20 = 13,304,256.40/x
  3. Step 3: Cross multiply
    30,341,861.20x = 45,528,538.20 × 13,304,256.40
  4. Step 4: Simplify right side
    30,341,861.20x = 605,723,345,729,994.50
  5. Step 5: Solve for x
    x = 605,723,345,729,994.50/30,341,861.20
  6. Step 6: Final answer
    x = 19,963,289.06

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1.5x scale

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.