Home / 14,389,340.42-19,857,342.65-7,862,970.86

Finding the Fourth Proportional to 14,389,340.42, 19,857,342.65 and 7,862,970.86

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Solution

The fourth proportional to 14,389,340.42, 19,857,342.65 and 7,862,970.86 is: 10,850,928.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389,340.42 : 19,857,342.65 = 7,862,970.86 : x
  2. Step 2: Convert to fraction form
    14,389,340.42/19,857,342.65 = 7,862,970.86/x
  3. Step 3: Cross multiply
    14,389,340.42x = 19,857,342.65 × 7,862,970.86
  4. Step 4: Simplify right side
    14,389,340.42x = 156,137,706,514,698.47
  5. Step 5: Solve for x
    x = 156,137,706,514,698.47/14,389,340.42
  6. Step 6: Final answer
    x = 10,850,928.67

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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.