Home / 9,890,783.60-14,836,175.40-7,021,002.20

Finding the Fourth Proportional to 9,890,783.60, 14,836,175.40 and 7,021,002.20

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Solution

The fourth proportional to 9,890,783.60, 14,836,175.40 and 7,021,002.20 is: 10,531,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890,783.60 : 14,836,175.40 = 7,021,002.20 : x
  2. Step 2: Convert to fraction form
    9,890,783.60/14,836,175.40 = 7,021,002.20/x
  3. Step 3: Cross multiply
    9,890,783.60x = 14,836,175.40 × 7,021,002.20
  4. Step 4: Simplify right side
    9,890,783.60x = 104,164,820,122,985.89
  5. Step 5: Solve for x
    x = 104,164,820,122,985.89/9,890,783.60
  6. Step 6: Final answer
    x = 10,531,503.30

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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.