Home / 14,087,267.80-21,140,371.14-4,989,332.68

Finding the Fourth Proportional to 14,087,267.80, 21,140,371.14 and 4,989,332.68

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Solution

The fourth proportional to 14,087,267.80, 21,140,371.14 and 4,989,332.68 is: 7,487,352.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087,267.80 : 21,140,371.14 = 4,989,332.68 : x
  2. Step 2: Convert to fraction form
    14,087,267.80/21,140,371.14 = 4,989,332.68/x
  3. Step 3: Cross multiply
    14,087,267.80x = 21,140,371.14 × 4,989,332.68
  4. Step 4: Simplify right side
    14,087,267.80x = 105,476,344,596,130.86
  5. Step 5: Solve for x
    x = 105,476,344,596,130.86/14,087,267.80
  6. Step 6: Final answer
    x = 7,487,352.84

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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.