Home / 28,608,946.80-42,876,095.40-13,254,457.20

Finding the Fourth Proportional to 28,608,946.80, 42,876,095.40 and 13,254,457.20

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Solution

The fourth proportional to 28,608,946.80, 42,876,095.40 and 13,254,457.20 is: 19,864,393.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,946.80 : 42,876,095.40 = 13,254,457.20 : x
  2. Step 2: Convert to fraction form
    28,608,946.80/42,876,095.40 = 13,254,457.20/x
  3. Step 3: Cross multiply
    28,608,946.80x = 42,876,095.40 × 13,254,457.20
  4. Step 4: Simplify right side
    28,608,946.80x = 568,299,371,382,416.88
  5. Step 5: Solve for x
    x = 568,299,371,382,416.88/28,608,946.80
  6. Step 6: Final answer
    x = 19,864,393.31

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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.