Home / 30,881,331.20-46,333,228.80-10,688,614.40

Finding the Fourth Proportional to 30,881,331.20, 46,333,228.80 and 10,688,614.40

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Solution

The fourth proportional to 30,881,331.20, 46,333,228.80 and 10,688,614.40 is: 16,036,809.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881,331.20 : 46,333,228.80 = 10,688,614.40 : x
  2. Step 2: Convert to fraction form
    30,881,331.20/46,333,228.80 = 10,688,614.40/x
  3. Step 3: Cross multiply
    30,881,331.20x = 46,333,228.80 × 10,688,614.40
  4. Step 4: Simplify right side
    30,881,331.20x = 495,238,016,550,174.69
  5. Step 5: Solve for x
    x = 495,238,016,550,174.69/30,881,331.20
  6. Step 6: Final answer
    x = 16,036,809.21

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1.5x scale

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.