Home / 14,697,782.69-20,284,074.72-8,817,637.10

Finding the Fourth Proportional to 14,697,782.69, 20,284,074.72 and 8,817,637.10

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Solution

The fourth proportional to 14,697,782.69, 20,284,074.72 and 8,817,637.10 is: 12,169,019.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,697,782.69 : 20,284,074.72 = 8,817,637.10 : x
  2. Step 2: Convert to fraction form
    14,697,782.69/20,284,074.72 = 8,817,637.10/x
  3. Step 3: Cross multiply
    14,697,782.69x = 20,284,074.72 × 8,817,637.10
  4. Step 4: Simplify right side
    14,697,782.69x = 178,857,609,688,823.75
  5. Step 5: Solve for x
    x = 178,857,609,688,823.75/14,697,782.69
  6. Step 6: Final answer
    x = 12,169,019.88

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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.