Home / 12,393,351.04-17,107,700.16-7,808,820.16

Finding the Fourth Proportional to 12,393,351.04, 17,107,700.16 and 7,808,820.16

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Solution

The fourth proportional to 12,393,351.04, 17,107,700.16 and 7,808,820.16 is: 10,779,243.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393,351.04 : 17,107,700.16 = 7,808,820.16 : x
  2. Step 2: Convert to fraction form
    12,393,351.04/17,107,700.16 = 7,808,820.16/x
  3. Step 3: Cross multiply
    12,393,351.04x = 17,107,700.16 × 7,808,820.16
  4. Step 4: Simplify right side
    12,393,351.04x = 133,590,953,900,643.23
  5. Step 5: Solve for x
    x = 133,590,953,900,643.23/12,393,351.04
  6. Step 6: Final answer
    x = 10,779,243.92

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1.5x scale

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.