Home / 30,536,102.40-45,804,124.80-7,816,963.20

Finding the Fourth Proportional to 30,536,102.40, 45,804,124.80 and 7,816,963.20

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Solution

The fourth proportional to 30,536,102.40, 45,804,124.80 and 7,816,963.20 is: 11,725,437.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,536,102.40 : 45,804,124.80 = 7,816,963.20 : x
  2. Step 2: Convert to fraction form
    30,536,102.40/45,804,124.80 = 7,816,963.20/x
  3. Step 3: Cross multiply
    30,536,102.40x = 45,804,124.80 × 7,816,963.20
  4. Step 4: Simplify right side
    30,536,102.40x = 358,049,157,969,807.38
  5. Step 5: Solve for x
    x = 358,049,157,969,807.38/30,536,102.40
  6. Step 6: Final answer
    x = 11,725,437.43

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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.