Home / 14,561,987.60-21,842,981.40-9,771,971.60

Finding the Fourth Proportional to 14,561,987.60, 21,842,981.40 and 9,771,971.60

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Solution

The fourth proportional to 14,561,987.60, 21,842,981.40 and 9,771,971.60 is: 14,657,957.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,561,987.60 : 21,842,981.40 = 9,771,971.60 : x
  2. Step 2: Convert to fraction form
    14,561,987.60/21,842,981.40 = 9,771,971.60/x
  3. Step 3: Cross multiply
    14,561,987.60x = 21,842,981.40 × 9,771,971.60
  4. Step 4: Simplify right side
    14,561,987.60x = 213,448,993,900,128.22
  5. Step 5: Solve for x
    x = 213,448,993,900,128.22/14,561,987.60
  6. Step 6: Final answer
    x = 14,657,957.40

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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.