Home / 39,865,611.20-59,798,416.80-19,710,219.20

Finding the Fourth Proportional to 39,865,611.20, 59,798,416.80 and 19,710,219.20

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Solution

The fourth proportional to 39,865,611.20, 59,798,416.80 and 19,710,219.20 is: 29,565,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,865,611.20 : 59,798,416.80 = 19,710,219.20 : x
  2. Step 2: Convert to fraction form
    39,865,611.20/59,798,416.80 = 19,710,219.20/x
  3. Step 3: Cross multiply
    39,865,611.20x = 59,798,416.80 × 19,710,219.20
  4. Step 4: Simplify right side
    39,865,611.20x = 1,178,639,902,940,962.50
  5. Step 5: Solve for x
    x = 1,178,639,902,940,962.50/39,865,611.20
  6. Step 6: Final answer
    x = 29,565,328.80

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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.