Home / 12,588,420.60-18,882,567.53-10,877,357.60

Finding the Fourth Proportional to 12,588,420.60, 18,882,567.53 and 10,877,357.60

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Solution

The fourth proportional to 12,588,420.60, 18,882,567.53 and 10,877,357.60 is: 16,315,981.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588,420.60 : 18,882,567.53 = 10,877,357.60 : x
  2. Step 2: Convert to fraction form
    12,588,420.60/18,882,567.53 = 10,877,357.60/x
  3. Step 3: Cross multiply
    12,588,420.60x = 18,882,567.53 × 10,877,357.60
  4. Step 4: Simplify right side
    12,588,420.60x = 205,392,439,281,159.09
  5. Step 5: Solve for x
    x = 205,392,439,281,159.09/12,588,420.60
  6. Step 6: Final answer
    x = 16,315,981.64

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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.