Home / 30,299,548.71-45,455,713.98-9,827,678.37

Finding the Fourth Proportional to 30,299,548.71, 45,455,713.98 and 9,827,678.37

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Solution

The fourth proportional to 30,299,548.71, 45,455,713.98 and 9,827,678.37 is: 14,743,590.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299,548.71 : 45,455,713.98 = 9,827,678.37 : x
  2. Step 2: Convert to fraction form
    30,299,548.71/45,455,713.98 = 9,827,678.37/x
  3. Step 3: Cross multiply
    30,299,548.71x = 45,455,713.98 × 9,827,678.37
  4. Step 4: Simplify right side
    30,299,548.71x = 446,724,136,866,859.56
  5. Step 5: Solve for x
    x = 446,724,136,866,859.56/30,299,548.71
  6. Step 6: Final answer
    x = 14,743,590.45

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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.