Home / 39,633,110.80-59,449,666.20-12,709,488.40

Finding the Fourth Proportional to 39,633,110.80, 59,449,666.20 and 12,709,488.40

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Solution

The fourth proportional to 39,633,110.80, 59,449,666.20 and 12,709,488.40 is: 19,064,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,633,110.80 : 59,449,666.20 = 12,709,488.40 : x
  2. Step 2: Convert to fraction form
    39,633,110.80/59,449,666.20 = 12,709,488.40/x
  3. Step 3: Cross multiply
    39,633,110.80x = 59,449,666.20 × 12,709,488.40
  4. Step 4: Simplify right side
    39,633,110.80x = 755,574,842,952,772.12
  5. Step 5: Solve for x
    x = 755,574,842,952,772.12/39,633,110.80
  6. Step 6: Final answer
    x = 19,064,232.60

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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.