Home / 12,936,561.16-19,400,642.84-4,298,341.76

Finding the Fourth Proportional to 12,936,561.16, 19,400,642.84 and 4,298,341.76

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Solution

The fourth proportional to 12,936,561.16, 19,400,642.84 and 4,298,341.76 is: 6,446,117.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936,561.16 : 19,400,642.84 = 4,298,341.76 : x
  2. Step 2: Convert to fraction form
    12,936,561.16/19,400,642.84 = 4,298,341.76/x
  3. Step 3: Cross multiply
    12,936,561.16x = 19,400,642.84 × 4,298,341.76
  4. Step 4: Simplify right side
    12,936,561.16x = 83,390,593,290,017
  5. Step 5: Solve for x
    x = 83,390,593,290,017/12,936,561.16
  6. Step 6: Final answer
    x = 6,446,117.50

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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.