Home / 14,696,851.17-20,291,551.61-13,143,292.77

Finding the Fourth Proportional to 14,696,851.17, 20,291,551.61 and 13,143,292.77

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Solution

The fourth proportional to 14,696,851.17, 20,291,551.61 and 13,143,292.77 is: 18,146,594.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,696,851.17 : 20,291,551.61 = 13,143,292.77 : x
  2. Step 2: Convert to fraction form
    14,696,851.17/20,291,551.61 = 13,143,292.77/x
  3. Step 3: Cross multiply
    14,696,851.17x = 20,291,551.61 × 13,143,292.77
  4. Step 4: Simplify right side
    14,696,851.17x = 266,697,803,502,078.41
  5. Step 5: Solve for x
    x = 266,697,803,502,078.41/14,696,851.17
  6. Step 6: Final answer
    x = 18,146,594.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.