Home / 7,020,909.40-10,531,364.10-6,237,088.60

Finding the Fourth Proportional to 7,020,909.40, 10,531,364.10 and 6,237,088.60

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Solution

The fourth proportional to 7,020,909.40, 10,531,364.10 and 6,237,088.60 is: 9,355,632.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,909.40 : 10,531,364.10 = 6,237,088.60 : x
  2. Step 2: Convert to fraction form
    7,020,909.40/10,531,364.10 = 6,237,088.60/x
  3. Step 3: Cross multiply
    7,020,909.40x = 10,531,364.10 × 6,237,088.60
  4. Step 4: Simplify right side
    7,020,909.40x = 65,685,050,970,559.25
  5. Step 5: Solve for x
    x = 65,685,050,970,559.25/7,020,909.40
  6. Step 6: Final answer
    x = 9,355,632.90

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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.