Home / 18,718,009.20-28,077,013.80-6,587,376.30

Finding the Fourth Proportional to 18,718,009.20, 28,077,013.80 and 6,587,376.30

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Solution

The fourth proportional to 18,718,009.20, 28,077,013.80 and 6,587,376.30 is: 9,881,064.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,718,009.20 : 28,077,013.80 = 6,587,376.30 : x
  2. Step 2: Convert to fraction form
    18,718,009.20/28,077,013.80 = 6,587,376.30/x
  3. Step 3: Cross multiply
    18,718,009.20x = 28,077,013.80 × 6,587,376.30
  4. Step 4: Simplify right side
    18,718,009.20x = 184,953,855,280,892.94
  5. Step 5: Solve for x
    x = 184,953,855,280,892.94/18,718,009.20
  6. Step 6: Final answer
    x = 9,881,064.45

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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.