Home / 10,402,707.20-15,583,065.60-5,909,734.40

Finding the Fourth Proportional to 10,402,707.20, 15,583,065.60 and 5,909,734.40

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Solution

The fourth proportional to 10,402,707.20, 15,583,065.60 and 5,909,734.40 is: 8,852,674.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402,707.20 : 15,583,065.60 = 5,909,734.40 : x
  2. Step 2: Convert to fraction form
    10,402,707.20/15,583,065.60 = 5,909,734.40/x
  3. Step 3: Cross multiply
    10,402,707.20x = 15,583,065.60 × 5,909,734.40
  4. Step 4: Simplify right side
    10,402,707.20x = 92,091,778,833,776.64
  5. Step 5: Solve for x
    x = 92,091,778,833,776.64/10,402,707.20
  6. Step 6: Final answer
    x = 8,852,674.31

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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.