Home / 14,972,869.40-20,662,622.05-8,097,351.47

Finding the Fourth Proportional to 14,972,869.40, 20,662,622.05 and 8,097,351.47

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Solution

The fourth proportional to 14,972,869.40, 20,662,622.05 and 8,097,351.47 is: 11,174,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,972,869.40 : 20,662,622.05 = 8,097,351.47 : x
  2. Step 2: Convert to fraction form
    14,972,869.40/20,662,622.05 = 8,097,351.47/x
  3. Step 3: Cross multiply
    14,972,869.40x = 20,662,622.05 × 8,097,351.47
  4. Step 4: Simplify right side
    14,972,869.40x = 167,312,512,927,308.81
  5. Step 5: Solve for x
    x = 167,312,512,927,308.81/14,972,869.40
  6. Step 6: Final answer
    x = 11,174,378.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.