Home / 21,803,802.40-32,720,802.80-8,671,873.44

Finding the Fourth Proportional to 21,803,802.40, 32,720,802.80 and 8,671,873.44

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Solution

The fourth proportional to 21,803,802.40, 32,720,802.80 and 8,671,873.44 is: 13,013,815.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,803,802.40 : 32,720,802.80 = 8,671,873.44 : x
  2. Step 2: Convert to fraction form
    21,803,802.40/32,720,802.80 = 8,671,873.44/x
  3. Step 3: Cross multiply
    21,803,802.40x = 32,720,802.80 × 8,671,873.44
  4. Step 4: Simplify right side
    21,803,802.40x = 283,750,660,736,797.62
  5. Step 5: Solve for x
    x = 283,750,660,736,797.62/21,803,802.40
  6. Step 6: Final answer
    x = 13,013,815.46

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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.