Home / 28,025,195.40-42,037,793.10-7,830,437.40

Finding the Fourth Proportional to 28,025,195.40, 42,037,793.10 and 7,830,437.40

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Solution

The fourth proportional to 28,025,195.40, 42,037,793.10 and 7,830,437.40 is: 11,745,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025,195.40 : 42,037,793.10 = 7,830,437.40 : x
  2. Step 2: Convert to fraction form
    28,025,195.40/42,037,793.10 = 7,830,437.40/x
  3. Step 3: Cross multiply
    28,025,195.40x = 42,037,793.10 × 7,830,437.40
  4. Step 4: Simplify right side
    28,025,195.40x = 329,174,307,303,701.94
  5. Step 5: Solve for x
    x = 329,174,307,303,701.94/28,025,195.40
  6. Step 6: Final answer
    x = 11,745,656.10

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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.