Home / 15,756,570.16-21,744,023.07-8,787,254.23

Finding the Fourth Proportional to 15,756,570.16, 21,744,023.07 and 8,787,254.23

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Solution

The fourth proportional to 15,756,570.16, 21,744,023.07 and 8,787,254.23 is: 12,126,386.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756,570.16 : 21,744,023.07 = 8,787,254.23 : x
  2. Step 2: Convert to fraction form
    15,756,570.16/21,744,023.07 = 8,787,254.23/x
  3. Step 3: Cross multiply
    15,756,570.16x = 21,744,023.07 × 8,787,254.23
  4. Step 4: Simplify right side
    15,756,570.16x = 191,070,258,699,075.09
  5. Step 5: Solve for x
    x = 191,070,258,699,075.09/15,756,570.16
  6. Step 6: Final answer
    x = 12,126,386.44

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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.