Home / 20,698,749.60-31,048,124.40-7,067,287.95

Finding the Fourth Proportional to 20,698,749.60, 31,048,124.40 and 7,067,287.95

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Solution

The fourth proportional to 20,698,749.60, 31,048,124.40 and 7,067,287.95 is: 10,600,931.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698,749.60 : 31,048,124.40 = 7,067,287.95 : x
  2. Step 2: Convert to fraction form
    20,698,749.60/31,048,124.40 = 7,067,287.95/x
  3. Step 3: Cross multiply
    20,698,749.60x = 31,048,124.40 × 7,067,287.95
  4. Step 4: Simplify right side
    20,698,749.60x = 219,426,035,442,220.97
  5. Step 5: Solve for x
    x = 219,426,035,442,220.97/20,698,749.60
  6. Step 6: Final answer
    x = 10,600,931.93

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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.