Home / 30,108,359.70-41,549,314.77-16,357,436.82

Finding the Fourth Proportional to 30,108,359.70, 41,549,314.77 and 16,357,436.82

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Solution

The fourth proportional to 30,108,359.70, 41,549,314.77 and 16,357,436.82 is: 22,573,142.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108,359.70 : 41,549,314.77 = 16,357,436.82 : x
  2. Step 2: Convert to fraction form
    30,108,359.70/41,549,314.77 = 16,357,436.82/x
  3. Step 3: Cross multiply
    30,108,359.70x = 41,549,314.77 × 16,357,436.82
  4. Step 4: Simplify right side
    30,108,359.70x = 679,640,291,264,567.88
  5. Step 5: Solve for x
    x = 679,640,291,264,567.88/30,108,359.70
  6. Step 6: Final answer
    x = 22,573,142.41

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1.5x scale

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.