Home / 9,876,879.81-14,889,348.93-9,218,483.46

Finding the Fourth Proportional to 9,876,879.81, 14,889,348.93 and 9,218,483.46

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Solution

The fourth proportional to 9,876,879.81, 14,889,348.93 and 9,218,483.46 is: 13,896,819.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,876,879.81 : 14,889,348.93 = 9,218,483.46 : x
  2. Step 2: Convert to fraction form
    9,876,879.81/14,889,348.93 = 9,218,483.46/x
  3. Step 3: Cross multiply
    9,876,879.81x = 14,889,348.93 × 9,218,483.46
  4. Step 4: Simplify right side
    9,876,879.81x = 137,257,216,841,373.70
  5. Step 5: Solve for x
    x = 137,257,216,841,373.70/9,876,879.81
  6. Step 6: Final answer
    x = 13,896,819.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.