Home / 13,411,575.36-20,117,547.54-3,826,950.78

Finding the Fourth Proportional to 13,411,575.36, 20,117,547.54 and 3,826,950.78

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Solution

The fourth proportional to 13,411,575.36, 20,117,547.54 and 3,826,950.78 is: 5,740,478.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411,575.36 : 20,117,547.54 = 3,826,950.78 : x
  2. Step 2: Convert to fraction form
    13,411,575.36/20,117,547.54 = 3,826,950.78/x
  3. Step 3: Cross multiply
    13,411,575.36x = 20,117,547.54 × 3,826,950.78
  4. Step 4: Simplify right side
    13,411,575.36x = 76,988,864,249,890.08
  5. Step 5: Solve for x
    x = 76,988,864,249,890.08/13,411,575.36
  6. Step 6: Final answer
    x = 5,740,478.82

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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.