Home / 13,830,783.60-20,746,175.40-6,656,330.10

Finding the Fourth Proportional to 13,830,783.60, 20,746,175.40 and 6,656,330.10

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Solution

The fourth proportional to 13,830,783.60, 20,746,175.40 and 6,656,330.10 is: 9,984,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,830,783.60 : 20,746,175.40 = 6,656,330.10 : x
  2. Step 2: Convert to fraction form
    13,830,783.60/20,746,175.40 = 6,656,330.10/x
  3. Step 3: Cross multiply
    13,830,783.60x = 20,746,175.40 × 6,656,330.10
  4. Step 4: Simplify right side
    13,830,783.60x = 138,093,391,774,899.52
  5. Step 5: Solve for x
    x = 138,093,391,774,899.52/13,830,783.60
  6. Step 6: Final answer
    x = 9,984,495.15

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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.