Home / 10,430,313.52-15,649,965.78-5,641,374.01

Finding the Fourth Proportional to 10,430,313.52, 15,649,965.78 and 5,641,374.01

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Solution

The fourth proportional to 10,430,313.52, 15,649,965.78 and 5,641,374.01 is: 8,464,492.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430,313.52 : 15,649,965.78 = 5,641,374.01 : x
  2. Step 2: Convert to fraction form
    10,430,313.52/15,649,965.78 = 5,641,374.01/x
  3. Step 3: Cross multiply
    10,430,313.52x = 15,649,965.78 × 5,641,374.01
  4. Step 4: Simplify right side
    10,430,313.52x = 88,287,310,208,681.38
  5. Step 5: Solve for x
    x = 88,287,310,208,681.38/10,430,313.52
  6. Step 6: Final answer
    x = 8,464,492.47

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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.