Home / 18,730,181.61-28,097,142.30-5,083,547.65

Finding the Fourth Proportional to 18,730,181.61, 28,097,142.30 and 5,083,547.65

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Solution

The fourth proportional to 18,730,181.61, 28,097,142.30 and 5,083,547.65 is: 7,625,828.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730,181.61 : 28,097,142.30 = 5,083,547.65 : x
  2. Step 2: Convert to fraction form
    18,730,181.61/28,097,142.30 = 5,083,547.65/x
  3. Step 3: Cross multiply
    18,730,181.61x = 28,097,142.30 × 5,083,547.65
  4. Step 4: Simplify right side
    18,730,181.61x = 142,833,161,640,637.75
  5. Step 5: Solve for x
    x = 142,833,161,640,637.75/18,730,181.61
  6. Step 6: Final answer
    x = 7,625,828.98

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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.