Home / 10,255,777.10-14,157,330.21-6,390,208.16

Finding the Fourth Proportional to 10,255,777.10, 14,157,330.21 and 6,390,208.16

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Solution

The fourth proportional to 10,255,777.10, 14,157,330.21 and 6,390,208.16 is: 8,821,202.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255,777.10 : 14,157,330.21 = 6,390,208.16 : x
  2. Step 2: Convert to fraction form
    10,255,777.10/14,157,330.21 = 6,390,208.16/x
  3. Step 3: Cross multiply
    10,255,777.10x = 14,157,330.21 × 6,390,208.16
  4. Step 4: Simplify right side
    10,255,777.10x = 90,468,287,031,756.52
  5. Step 5: Solve for x
    x = 90,468,287,031,756.52/10,255,777.10
  6. Step 6: Final answer
    x = 8,821,202.54

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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.