Home / 30,683,898.61-42,344,677.80-16,746,147.66

Finding the Fourth Proportional to 30,683,898.61, 42,344,677.80 and 16,746,147.66

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Solution

The fourth proportional to 30,683,898.61, 42,344,677.80 and 16,746,147.66 is: 23,110,173.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,683,898.61 : 42,344,677.80 = 16,746,147.66 : x
  2. Step 2: Convert to fraction form
    30,683,898.61/42,344,677.80 = 16,746,147.66/x
  3. Step 3: Cross multiply
    30,683,898.61x = 42,344,677.80 × 16,746,147.66
  4. Step 4: Simplify right side
    30,683,898.61x = 709,110,227,212,716.50
  5. Step 5: Solve for x
    x = 709,110,227,212,716.50/30,683,898.61
  6. Step 6: Final answer
    x = 23,110,173.72

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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.