Home / 21,791,035.10-30,069,403.08-13,417,075.10

Finding the Fourth Proportional to 21,791,035.10, 30,069,403.08 and 13,417,075.10

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Solution

The fourth proportional to 21,791,035.10, 30,069,403.08 and 13,417,075.10 is: 18,514,193.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,791,035.10 : 30,069,403.08 = 13,417,075.10 : x
  2. Step 2: Convert to fraction form
    21,791,035.10/30,069,403.08 = 13,417,075.10/x
  3. Step 3: Cross multiply
    21,791,035.10x = 30,069,403.08 × 13,417,075.10
  4. Step 4: Simplify right side
    21,791,035.10x = 403,443,439,336,531.25
  5. Step 5: Solve for x
    x = 403,443,439,336,531.25/21,791,035.10
  6. Step 6: Final answer
    x = 18,514,193.45

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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.