Home / 28,341,946.02-42,519,664.80-9,172,703.10

Finding the Fourth Proportional to 28,341,946.02, 42,519,664.80 and 9,172,703.10

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Solution

The fourth proportional to 28,341,946.02, 42,519,664.80 and 9,172,703.10 is: 13,761,237.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,341,946.02 : 42,519,664.80 = 9,172,703.10 : x
  2. Step 2: Convert to fraction form
    28,341,946.02/42,519,664.80 = 9,172,703.10/x
  3. Step 3: Cross multiply
    28,341,946.02x = 42,519,664.80 × 9,172,703.10
  4. Step 4: Simplify right side
    28,341,946.02x = 390,020,261,121,920.81
  5. Step 5: Solve for x
    x = 390,020,261,121,920.81/28,341,946.02
  6. Step 6: Final answer
    x = 13,761,237.88

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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.