Home / 9,295,206.40-13,942,809.60-8,657,477.20

Finding the Fourth Proportional to 9,295,206.40, 13,942,809.60 and 8,657,477.20

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Solution

The fourth proportional to 9,295,206.40, 13,942,809.60 and 8,657,477.20 is: 12,986,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,295,206.40 : 13,942,809.60 = 8,657,477.20 : x
  2. Step 2: Convert to fraction form
    9,295,206.40/13,942,809.60 = 8,657,477.20/x
  3. Step 3: Cross multiply
    9,295,206.40x = 13,942,809.60 × 8,657,477.20
  4. Step 4: Simplify right side
    9,295,206.40x = 120,709,556,215,941.11
  5. Step 5: Solve for x
    x = 120,709,556,215,941.11/9,295,206.40
  6. Step 6: Final answer
    x = 12,986,215.80

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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.