Home / 15,240,675-21,031,370.10-9,045,991.20

Finding the Fourth Proportional to 15,240,675, 21,031,370.10 and 9,045,991.20

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Solution

The fourth proportional to 15,240,675, 21,031,370.10 and 9,045,991.20 is: 12,483,015.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240,675 : 21,031,370.10 = 9,045,991.20 : x
  2. Step 2: Convert to fraction form
    15,240,675/21,031,370.10 = 9,045,991.20/x
  3. Step 3: Cross multiply
    15,240,675x = 21,031,370.10 × 9,045,991.20
  4. Step 4: Simplify right side
    15,240,675x = 190,249,588,848,543.12
  5. Step 5: Solve for x
    x = 190,249,588,848,543.12/15,240,675
  6. Step 6: Final answer
    x = 12,483,015.93

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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.