Home / 12,574,783.62-18,869,495.85-5,287,716.63

Finding the Fourth Proportional to 12,574,783.62, 18,869,495.85 and 5,287,716.63

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Solution

The fourth proportional to 12,574,783.62, 18,869,495.85 and 5,287,716.63 is: 7,934,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,574,783.62 : 18,869,495.85 = 5,287,716.63 : x
  2. Step 2: Convert to fraction form
    12,574,783.62/18,869,495.85 = 5,287,716.63/x
  3. Step 3: Cross multiply
    12,574,783.62x = 18,869,495.85 × 5,287,716.63
  4. Step 4: Simplify right side
    12,574,783.62x = 99,776,547,005,760.98
  5. Step 5: Solve for x
    x = 99,776,547,005,760.98/12,574,783.62
  6. Step 6: Final answer
    x = 7,934,653.19

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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.