Home / 21,554,534.40-32,331,801.60-8,768,457.60

Finding the Fourth Proportional to 21,554,534.40, 32,331,801.60 and 8,768,457.60

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Solution

The fourth proportional to 21,554,534.40, 32,331,801.60 and 8,768,457.60 is: 13,152,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554,534.40 : 32,331,801.60 = 8,768,457.60 : x
  2. Step 2: Convert to fraction form
    21,554,534.40/32,331,801.60 = 8,768,457.60/x
  3. Step 3: Cross multiply
    21,554,534.40x = 32,331,801.60 × 8,768,457.60
  4. Step 4: Simplify right side
    21,554,534.40x = 283,500,031,461,212.19
  5. Step 5: Solve for x
    x = 283,500,031,461,212.19/21,554,534.40
  6. Step 6: Final answer
    x = 13,152,686.40

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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.