Home / 10,534,688.10-15,804,984.60-5,143,514.40

Finding the Fourth Proportional to 10,534,688.10, 15,804,984.60 and 5,143,514.40

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Solution

The fourth proportional to 10,534,688.10, 15,804,984.60 and 5,143,514.40 is: 7,716,713.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,534,688.10 : 15,804,984.60 = 5,143,514.40 : x
  2. Step 2: Convert to fraction form
    10,534,688.10/15,804,984.60 = 5,143,514.40/x
  3. Step 3: Cross multiply
    10,534,688.10x = 15,804,984.60 × 5,143,514.40
  4. Step 4: Simplify right side
    10,534,688.10x = 81,293,165,881,878.25
  5. Step 5: Solve for x
    x = 81,293,165,881,878.25/10,534,688.10
  6. Step 6: Final answer
    x = 7,716,713.12

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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.