Home / 30,977,955-42,750,384.48-17,039,669.40

Finding the Fourth Proportional to 30,977,955, 42,750,384.48 and 17,039,669.40

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Solution

The fourth proportional to 30,977,955, 42,750,384.48 and 17,039,669.40 is: 23,515,187.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,977,955 : 42,750,384.48 = 17,039,669.40 : x
  2. Step 2: Convert to fraction form
    30,977,955/42,750,384.48 = 17,039,669.40/x
  3. Step 3: Cross multiply
    30,977,955x = 42,750,384.48 × 17,039,669.40
  4. Step 4: Simplify right side
    30,977,955x = 728,452,418,262,090.75
  5. Step 5: Solve for x
    x = 728,452,418,262,090.75/30,977,955
  6. Step 6: Final answer
    x = 23,515,187.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.