Home / 12,710,750.16-19,061,707.32-5,423,915.88

Finding the Fourth Proportional to 12,710,750.16, 19,061,707.32 and 5,423,915.88

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Solution

The fourth proportional to 12,710,750.16, 19,061,707.32 and 5,423,915.88 is: 8,133,988.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710,750.16 : 19,061,707.32 = 5,423,915.88 : x
  2. Step 2: Convert to fraction form
    12,710,750.16/19,061,707.32 = 5,423,915.88/x
  3. Step 3: Cross multiply
    12,710,750.16x = 19,061,707.32 × 5,423,915.88
  4. Step 4: Simplify right side
    12,710,750.16x = 103,389,097,032,860.23
  5. Step 5: Solve for x
    x = 103,389,097,032,860.23/12,710,750.16
  6. Step 6: Final answer
    x = 8,133,988.61

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1.5x scale

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.