Home / 12,976,594.69-19,466,827.20-4,778,606.09

Finding the Fourth Proportional to 12,976,594.69, 19,466,827.20 and 4,778,606.09

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Solution

The fourth proportional to 12,976,594.69, 19,466,827.20 and 4,778,606.09 is: 7,168,621.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976,594.69 : 19,466,827.20 = 4,778,606.09 : x
  2. Step 2: Convert to fraction form
    12,976,594.69/19,466,827.20 = 4,778,606.09/x
  3. Step 3: Cross multiply
    12,976,594.69x = 19,466,827.20 × 4,778,606.09
  4. Step 4: Simplify right side
    12,976,594.69x = 93,024,299,010,897.64
  5. Step 5: Solve for x
    x = 93,024,299,010,897.64/12,976,594.69
  6. Step 6: Final answer
    x = 7,168,621.76

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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.