Home / 13,365,956.40-18,445,037.48-7,254,385.68

Finding the Fourth Proportional to 13,365,956.40, 18,445,037.48 and 7,254,385.68

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Solution

The fourth proportional to 13,365,956.40, 18,445,037.48 and 7,254,385.68 is: 10,011,061.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365,956.40 : 18,445,037.48 = 7,254,385.68 : x
  2. Step 2: Convert to fraction form
    13,365,956.40/18,445,037.48 = 7,254,385.68/x
  3. Step 3: Cross multiply
    13,365,956.40x = 18,445,037.48 × 7,254,385.68
  4. Step 4: Simplify right side
    13,365,956.40x = 133,807,415,761,975.28
  5. Step 5: Solve for x
    x = 133,807,415,761,975.28/13,365,956.40
  6. Step 6: Final answer
    x = 10,011,061.82

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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.