Home / 8,139,012.51-12,209,637.93-3,021,007.53

Finding the Fourth Proportional to 8,139,012.51, 12,209,637.93 and 3,021,007.53

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Solution

The fourth proportional to 8,139,012.51, 12,209,637.93 and 3,021,007.53 is: 4,531,926.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139,012.51 : 12,209,637.93 = 3,021,007.53 : x
  2. Step 2: Convert to fraction form
    8,139,012.51/12,209,637.93 = 3,021,007.53/x
  3. Step 3: Cross multiply
    8,139,012.51x = 12,209,637.93 × 3,021,007.53
  4. Step 4: Simplify right side
    8,139,012.51x = 36,885,408,125,103.61
  5. Step 5: Solve for x
    x = 36,885,408,125,103.61/8,139,012.51
  6. Step 6: Final answer
    x = 4,531,926.70

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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.