Home / 28,341,979.30-39,792,145.10-28,341,979.30

Finding the Fourth Proportional to 28,341,979.30, 39,792,145.10 and 28,341,979.30

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Solution

The fourth proportional to 28,341,979.30, 39,792,145.10 and 28,341,979.30 is: 39,792,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,341,979.30 : 39,792,145.10 = 28,341,979.30 : x
  2. Step 2: Convert to fraction form
    28,341,979.30/39,792,145.10 = 28,341,979.30/x
  3. Step 3: Cross multiply
    28,341,979.30x = 39,792,145.10 × 28,341,979.30
  4. Step 4: Simplify right side
    28,341,979.30x = 1,127,788,152,726,796.50
  5. Step 5: Solve for x
    x = 1,127,788,152,726,796.50/28,341,979.30
  6. Step 6: Final answer
    x = 39,792,145.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.