Home / 20,698,851.60-31,048,277.40-7,067,389.95

Finding the Fourth Proportional to 20,698,851.60, 31,048,277.40 and 7,067,389.95

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Solution

The fourth proportional to 20,698,851.60, 31,048,277.40 and 7,067,389.95 is: 10,601,084.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698,851.60 : 31,048,277.40 = 7,067,389.95 : x
  2. Step 2: Convert to fraction form
    20,698,851.60/31,048,277.40 = 7,067,389.95/x
  3. Step 3: Cross multiply
    20,698,851.60x = 31,048,277.40 × 7,067,389.95
  4. Step 4: Simplify right side
    20,698,851.60x = 219,430,283,661,572.12
  5. Step 5: Solve for x
    x = 219,430,283,661,572.12/20,698,851.60
  6. Step 6: Final answer
    x = 10,601,084.93

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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.