Home / 30,240,938.20-45,367,312.20-12,042,036.40

Finding the Fourth Proportional to 30,240,938.20, 45,367,312.20 and 12,042,036.40

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Solution

The fourth proportional to 30,240,938.20, 45,367,312.20 and 12,042,036.40 is: 18,065,405.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240,938.20 : 45,367,312.20 = 12,042,036.40 : x
  2. Step 2: Convert to fraction form
    30,240,938.20/45,367,312.20 = 12,042,036.40/x
  3. Step 3: Cross multiply
    30,240,938.20x = 45,367,312.20 × 12,042,036.40
  4. Step 4: Simplify right side
    30,240,938.20x = 546,314,824,882,564.12
  5. Step 5: Solve for x
    x = 546,314,824,882,564.12/30,240,938.20
  6. Step 6: Final answer
    x = 18,065,405.95

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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.