Home / 19,247,711.52-28,871,606.16-7,886,120.16

Finding the Fourth Proportional to 19,247,711.52, 28,871,606.16 and 7,886,120.16

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Solution

The fourth proportional to 19,247,711.52, 28,871,606.16 and 7,886,120.16 is: 11,829,196.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247,711.52 : 28,871,606.16 = 7,886,120.16 : x
  2. Step 2: Convert to fraction form
    19,247,711.52/28,871,606.16 = 7,886,120.16/x
  3. Step 3: Cross multiply
    19,247,711.52x = 28,871,606.16 × 7,886,120.16
  4. Step 4: Simplify right side
    19,247,711.52x = 227,684,955,389,956.19
  5. Step 5: Solve for x
    x = 227,684,955,389,956.19/19,247,711.52
  6. Step 6: Final answer
    x = 11,829,196.17

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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.