Home / 20,736,424.60-31,113,968.10-7,282,907.80

Finding the Fourth Proportional to 20,736,424.60, 31,113,968.10 and 7,282,907.80

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Solution

The fourth proportional to 20,736,424.60, 31,113,968.10 and 7,282,907.80 is: 10,927,638.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,424.60 : 31,113,968.10 = 7,282,907.80 : x
  2. Step 2: Convert to fraction form
    20,736,424.60/31,113,968.10 = 7,282,907.80/x
  3. Step 3: Cross multiply
    20,736,424.60x = 31,113,968.10 × 7,282,907.80
  4. Step 4: Simplify right side
    20,736,424.60x = 226,600,160,964,441.19
  5. Step 5: Solve for x
    x = 226,600,160,964,441.19/20,736,424.60
  6. Step 6: Final answer
    x = 10,927,638.94

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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.