Home / 14,370,041.86-21,554,859.77-6,689,390.81

Finding the Fourth Proportional to 14,370,041.86, 21,554,859.77 and 6,689,390.81

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Solution

The fourth proportional to 14,370,041.86, 21,554,859.77 and 6,689,390.81 is: 10,033,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370,041.86 : 21,554,859.77 = 6,689,390.81 : x
  2. Step 2: Convert to fraction form
    14,370,041.86/21,554,859.77 = 6,689,390.81/x
  3. Step 3: Cross multiply
    14,370,041.86x = 21,554,859.77 × 6,689,390.81
  4. Step 4: Simplify right side
    14,370,041.86x = 144,188,880,822,829.75
  5. Step 5: Solve for x
    x = 144,188,880,822,829.75/14,370,041.86
  6. Step 6: Final answer
    x = 10,033,991.70

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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.