Home / 10,430,316.52-15,649,970.28-5,641,377.02

Finding the Fourth Proportional to 10,430,316.52, 15,649,970.28 and 5,641,377.02

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Solution

The fourth proportional to 10,430,316.52, 15,649,970.28 and 5,641,377.02 is: 8,464,496.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430,316.52 : 15,649,970.28 = 5,641,377.02 : x
  2. Step 2: Convert to fraction form
    10,430,316.52/15,649,970.28 = 5,641,377.02/x
  3. Step 3: Cross multiply
    10,430,316.52x = 15,649,970.28 × 5,641,377.02
  4. Step 4: Simplify right side
    10,430,316.52x = 88,287,382,701,274.95
  5. Step 5: Solve for x
    x = 88,287,382,701,274.95/10,430,316.52
  6. Step 6: Final answer
    x = 8,464,496.98

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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.