Home / 5,487,210.63-8,229,071.40-5,128,985.29

Finding the Fourth Proportional to 5,487,210.63, 8,229,071.40 and 5,128,985.29

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Solution

The fourth proportional to 5,487,210.63, 8,229,071.40 and 5,128,985.29 is: 7,691,847.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487,210.63 : 8,229,071.40 = 5,128,985.29 : x
  2. Step 2: Convert to fraction form
    5,487,210.63/8,229,071.40 = 5,128,985.29/x
  3. Step 3: Cross multiply
    5,487,210.63x = 8,229,071.40 × 5,128,985.29
  4. Step 4: Simplify right side
    5,487,210.63x = 42,206,786,160,959.71
  5. Step 5: Solve for x
    x = 42,206,786,160,959.71/5,487,210.63
  6. Step 6: Final answer
    x = 7,691,847.29

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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.