Home / 10,657,748.81-15,980,503.75-4,173,231.89

Finding the Fourth Proportional to 10,657,748.81, 15,980,503.75 and 4,173,231.89

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Solution

The fourth proportional to 10,657,748.81, 15,980,503.75 and 4,173,231.89 is: 6,257,451.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657,748.81 : 15,980,503.75 = 4,173,231.89 : x
  2. Step 2: Convert to fraction form
    10,657,748.81/15,980,503.75 = 4,173,231.89/x
  3. Step 3: Cross multiply
    10,657,748.81x = 15,980,503.75 × 4,173,231.89
  4. Step 4: Simplify right side
    10,657,748.81x = 66,690,347,830,866.87
  5. Step 5: Solve for x
    x = 66,690,347,830,866.87/10,657,748.81
  6. Step 6: Final answer
    x = 6,257,451.64

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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.