Home / 30,807,061.94-42,514,890.80-17,578,392.59

Finding the Fourth Proportional to 30,807,061.94, 42,514,890.80 and 17,578,392.59

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Solution

The fourth proportional to 30,807,061.94, 42,514,890.80 and 17,578,392.59 is: 24,258,835.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,807,061.94 : 42,514,890.80 = 17,578,392.59 : x
  2. Step 2: Convert to fraction form
    30,807,061.94/42,514,890.80 = 17,578,392.59/x
  3. Step 3: Cross multiply
    30,807,061.94x = 42,514,890.80 × 17,578,392.59
  4. Step 4: Simplify right side
    30,807,061.94x = 747,343,441,421,774.50
  5. Step 5: Solve for x
    x = 747,343,441,421,774.50/30,807,061.94
  6. Step 6: Final answer
    x = 24,258,835.29

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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.