Home / 30,864,738.72-46,287,652.80-21,341,316

Finding the Fourth Proportional to 30,864,738.72, 46,287,652.80 and 21,341,316

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Solution

The fourth proportional to 30,864,738.72, 46,287,652.80 and 21,341,316 is: 32,005,436.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,864,738.72 : 46,287,652.80 = 21,341,316 : x
  2. Step 2: Convert to fraction form
    30,864,738.72/46,287,652.80 = 21,341,316/x
  3. Step 3: Cross multiply
    30,864,738.72x = 46,287,652.80 × 21,341,316
  4. Step 4: Simplify right side
    30,864,738.72x = 987,839,425,303,084.75
  5. Step 5: Solve for x
    x = 987,839,425,303,084.75/30,864,738.72
  6. Step 6: Final answer
    x = 32,005,436.18

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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.