Home / 12,390,946.62-17,095,777.35-7,427,577.03

Finding the Fourth Proportional to 12,390,946.62, 17,095,777.35 and 7,427,577.03

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Solution

The fourth proportional to 12,390,946.62, 17,095,777.35 and 7,427,577.03 is: 10,247,821.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,390,946.62 : 17,095,777.35 = 7,427,577.03 : x
  2. Step 2: Convert to fraction form
    12,390,946.62/17,095,777.35 = 7,427,577.03/x
  3. Step 3: Cross multiply
    12,390,946.62x = 17,095,777.35 × 7,427,577.03
  4. Step 4: Simplify right side
    12,390,946.62x = 126,980,203,154,854.28
  5. Step 5: Solve for x
    x = 126,980,203,154,854.28/12,390,946.62
  6. Step 6: Final answer
    x = 10,247,821.01

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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.