Home / 13,856,031.40-20,784,047.10-7,884,063.40

Finding the Fourth Proportional to 13,856,031.40, 20,784,047.10 and 7,884,063.40

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Solution

The fourth proportional to 13,856,031.40, 20,784,047.10 and 7,884,063.40 is: 11,826,095.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856,031.40 : 20,784,047.10 = 7,884,063.40 : x
  2. Step 2: Convert to fraction form
    13,856,031.40/20,784,047.10 = 7,884,063.40/x
  3. Step 3: Cross multiply
    13,856,031.40x = 20,784,047.10 × 7,884,063.40
  4. Step 4: Simplify right side
    13,856,031.40x = 163,862,745,044,986.16
  5. Step 5: Solve for x
    x = 163,862,745,044,986.16/13,856,031.40
  6. Step 6: Final answer
    x = 11,826,095.10

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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.