Home / 10,555,730.40-15,833,595.60-9,421,989.60

Finding the Fourth Proportional to 10,555,730.40, 15,833,595.60 and 9,421,989.60

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Solution

The fourth proportional to 10,555,730.40, 15,833,595.60 and 9,421,989.60 is: 14,132,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555,730.40 : 15,833,595.60 = 9,421,989.60 : x
  2. Step 2: Convert to fraction form
    10,555,730.40/15,833,595.60 = 9,421,989.60/x
  3. Step 3: Cross multiply
    10,555,730.40x = 15,833,595.60 × 9,421,989.60
  4. Step 4: Simplify right side
    10,555,730.40x = 149,183,973,073,805.75
  5. Step 5: Solve for x
    x = 149,183,973,073,805.75/10,555,730.40
  6. Step 6: Final answer
    x = 14,132,984.40

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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.