Home / 15,801,950.81-21,808,464.50-8,926,875.74

Finding the Fourth Proportional to 15,801,950.81, 21,808,464.50 and 8,926,875.74

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Solution

The fourth proportional to 15,801,950.81, 21,808,464.50 and 8,926,875.74 is: 12,320,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,801,950.81 : 21,808,464.50 = 8,926,875.74 : x
  2. Step 2: Convert to fraction form
    15,801,950.81/21,808,464.50 = 8,926,875.74/x
  3. Step 3: Cross multiply
    15,801,950.81x = 21,808,464.50 × 8,926,875.74
  4. Step 4: Simplify right side
    15,801,950.81x = 194,681,452,748,539.59
  5. Step 5: Solve for x
    x = 194,681,452,748,539.59/15,801,950.81
  6. Step 6: Final answer
    x = 12,320,089.78

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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.