Home / 19,172,746.77-26,458,420.14-10,912,808.96

Finding the Fourth Proportional to 19,172,746.77, 26,458,420.14 and 10,912,808.96

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Solution

The fourth proportional to 19,172,746.77, 26,458,420.14 and 10,912,808.96 is: 15,059,693.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172,746.77 : 26,458,420.14 = 10,912,808.96 : x
  2. Step 2: Convert to fraction form
    19,172,746.77/26,458,420.14 = 10,912,808.96/x
  3. Step 3: Cross multiply
    19,172,746.77x = 26,458,420.14 × 10,912,808.96
  4. Step 4: Simplify right side
    19,172,746.77x = 288,735,684,517,678.88
  5. Step 5: Solve for x
    x = 288,735,684,517,678.88/19,172,746.77
  6. Step 6: Final answer
    x = 15,059,693.22

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Double scale
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1.5x scale

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.