Home / 30,881,219.20-46,333,060.80-10,688,502.40

Finding the Fourth Proportional to 30,881,219.20, 46,333,060.80 and 10,688,502.40

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Solution

The fourth proportional to 30,881,219.20, 46,333,060.80 and 10,688,502.40 is: 16,036,641.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881,219.20 : 46,333,060.80 = 10,688,502.40 : x
  2. Step 2: Convert to fraction form
    30,881,219.20/46,333,060.80 = 10,688,502.40/x
  3. Step 3: Cross multiply
    30,881,219.20x = 46,333,060.80 × 10,688,502.40
  4. Step 4: Simplify right side
    30,881,219.20x = 495,231,031,560,145.88
  5. Step 5: Solve for x
    x = 495,231,031,560,145.88/30,881,219.20
  6. Step 6: Final answer
    x = 16,036,641.18

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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.