Home / 13,020,225.60-17,967,191.04-7,218,668.16

Finding the Fourth Proportional to 13,020,225.60, 17,967,191.04 and 7,218,668.16

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Solution

The fourth proportional to 13,020,225.60, 17,967,191.04 and 7,218,668.16 is: 9,961,362.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020,225.60 : 17,967,191.04 = 7,218,668.16 : x
  2. Step 2: Convert to fraction form
    13,020,225.60/17,967,191.04 = 7,218,668.16/x
  3. Step 3: Cross multiply
    13,020,225.60x = 17,967,191.04 × 7,218,668.16
  4. Step 4: Simplify right side
    13,020,225.60x = 129,699,189,885,085.28
  5. Step 5: Solve for x
    x = 129,699,189,885,085.28/13,020,225.60
  6. Step 6: Final answer
    x = 9,961,362.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.