Home / 20,736,435.60-31,113,984.60-7,282,918.80

Finding the Fourth Proportional to 20,736,435.60, 31,113,984.60 and 7,282,918.80

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Solution

The fourth proportional to 20,736,435.60, 31,113,984.60 and 7,282,918.80 is: 10,927,655.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,435.60 : 31,113,984.60 = 7,282,918.80 : x
  2. Step 2: Convert to fraction form
    20,736,435.60/31,113,984.60 = 7,282,918.80/x
  3. Step 3: Cross multiply
    20,736,435.60x = 31,113,984.60 × 7,282,918.80
  4. Step 4: Simplify right side
    20,736,435.60x = 226,600,623,386,250.50
  5. Step 5: Solve for x
    x = 226,600,623,386,250.50/20,736,435.60
  6. Step 6: Final answer
    x = 10,927,655.44

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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.