Home / 13,909,599.86-20,849,673.92-4,678,784.84

Finding the Fourth Proportional to 13,909,599.86, 20,849,673.92 and 4,678,784.84

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Solution

The fourth proportional to 13,909,599.86, 20,849,673.92 and 4,678,784.84 is: 7,013,223.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909,599.86 : 20,849,673.92 = 4,678,784.84 : x
  2. Step 2: Convert to fraction form
    13,909,599.86/20,849,673.92 = 4,678,784.84/x
  3. Step 3: Cross multiply
    13,909,599.86x = 20,849,673.92 × 4,678,784.84
  4. Step 4: Simplify right side
    13,909,599.86x = 97,551,138,128,197.08
  5. Step 5: Solve for x
    x = 97,551,138,128,197.08/13,909,599.86
  6. Step 6: Final answer
    x = 7,013,223.90

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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.