Home / 8,527,346.40-12,774,430.80-5,151,525.60

Finding the Fourth Proportional to 8,527,346.40, 12,774,430.80 and 5,151,525.60

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Solution

The fourth proportional to 8,527,346.40, 12,774,430.80 and 5,151,525.60 is: 7,717,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527,346.40 : 12,774,430.80 = 5,151,525.60 : x
  2. Step 2: Convert to fraction form
    8,527,346.40/12,774,430.80 = 5,151,525.60/x
  3. Step 3: Cross multiply
    8,527,346.40x = 12,774,430.80 × 5,151,525.60
  4. Step 4: Simplify right side
    8,527,346.40x = 65,807,807,291,628.48
  5. Step 5: Solve for x
    x = 65,807,807,291,628.48/8,527,346.40
  6. Step 6: Final answer
    x = 7,717,266.80

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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.