Home / 12,865,873.81-19,299,041.38-4,674,333.58

Finding the Fourth Proportional to 12,865,873.81, 19,299,041.38 and 4,674,333.58

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Solution

The fourth proportional to 12,865,873.81, 19,299,041.38 and 4,674,333.58 is: 7,011,584.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,865,873.81 : 19,299,041.38 = 4,674,333.58 : x
  2. Step 2: Convert to fraction form
    12,865,873.81/19,299,041.38 = 4,674,333.58/x
  3. Step 3: Cross multiply
    12,865,873.81x = 19,299,041.38 × 4,674,333.58
  4. Step 4: Simplify right side
    12,865,873.81x = 90,210,157,115,645.72
  5. Step 5: Solve for x
    x = 90,210,157,115,645.72/12,865,873.81
  6. Step 6: Final answer
    x = 7,011,584.17

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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.