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Finding the Fourth Proportional to 40,293,576, 55,604,603 and 22,411,675.80

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Solution

The fourth proportional to 40,293,576, 55,604,603 and 22,411,675.80 is: 30,927,816.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,293,576 : 55,604,603 = 22,411,675.80 : x
  2. Step 2: Convert to fraction form
    40,293,576/55,604,603 = 22,411,675.80/x
  3. Step 3: Cross multiply
    40,293,576x = 55,604,603 × 22,411,675.80
  4. Step 4: Simplify right side
    40,293,576x = 1,246,192,335,423,707.50
  5. Step 5: Solve for x
    x = 1,246,192,335,423,707.50/40,293,576
  6. Step 6: Final answer
    x = 30,927,816.77

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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.