Home / 13,538,539.26-18,683,075.16-7,343,570.52

Finding the Fourth Proportional to 13,538,539.26, 18,683,075.16 and 7,343,570.52

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Solution

The fourth proportional to 13,538,539.26, 18,683,075.16 and 7,343,570.52 is: 10,134,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,538,539.26 : 18,683,075.16 = 7,343,570.52 : x
  2. Step 2: Convert to fraction form
    13,538,539.26/18,683,075.16 = 7,343,570.52/x
  3. Step 3: Cross multiply
    13,538,539.26x = 18,683,075.16 × 7,343,570.52
  4. Step 4: Simplify right side
    13,538,539.26x = 137,200,479,967,920.28
  5. Step 5: Solve for x
    x = 137,200,479,967,920.28/13,538,539.26
  6. Step 6: Final answer
    x = 10,134,068.18

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1.5x scale

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.