Home / 10,369,834.60-15,554,751.90-7,181,188.60

Finding the Fourth Proportional to 10,369,834.60, 15,554,751.90 and 7,181,188.60

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Solution

The fourth proportional to 10,369,834.60, 15,554,751.90 and 7,181,188.60 is: 10,771,782.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,834.60 : 15,554,751.90 = 7,181,188.60 : x
  2. Step 2: Convert to fraction form
    10,369,834.60/15,554,751.90 = 7,181,188.60/x
  3. Step 3: Cross multiply
    10,369,834.60x = 15,554,751.90 × 7,181,188.60
  4. Step 4: Simplify right side
    10,369,834.60x = 111,701,607,020,108.34
  5. Step 5: Solve for x
    x = 111,701,607,020,108.34/10,369,834.60
  6. Step 6: Final answer
    x = 10,771,782.90

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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.