Home / 7,159,546.77-9,879,985.23-3,896,291.43

Finding the Fourth Proportional to 7,159,546.77, 9,879,985.23 and 3,896,291.43

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Solution

The fourth proportional to 7,159,546.77, 9,879,985.23 and 3,896,291.43 is: 5,376,779.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159,546.77 : 9,879,985.23 = 3,896,291.43 : x
  2. Step 2: Convert to fraction form
    7,159,546.77/9,879,985.23 = 3,896,291.43/x
  3. Step 3: Cross multiply
    7,159,546.77x = 9,879,985.23 × 3,896,291.43
  4. Step 4: Simplify right side
    7,159,546.77x = 38,495,301,817,225.52
  5. Step 5: Solve for x
    x = 38,495,301,817,225.52/7,159,546.77
  6. Step 6: Final answer
    x = 5,376,779.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.