Home / 10,006,808.76-13,809,445.30-5,423,130.14

Finding the Fourth Proportional to 10,006,808.76, 13,809,445.30 and 5,423,130.14

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Solution

The fourth proportional to 10,006,808.76, 13,809,445.30 and 5,423,130.14 is: 7,483,946.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006,808.76 : 13,809,445.30 = 5,423,130.14 : x
  2. Step 2: Convert to fraction form
    10,006,808.76/13,809,445.30 = 5,423,130.14/x
  3. Step 3: Cross multiply
    10,006,808.76x = 13,809,445.30 × 5,423,130.14
  4. Step 4: Simplify right side
    10,006,808.76x = 74,890,419,023,111.34
  5. Step 5: Solve for x
    x = 74,890,419,023,111.34/10,006,808.76
  6. Step 6: Final answer
    x = 7,483,946.26

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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.