Home / 12,802,962.16-19,209,633.90-5,610,706.48

Finding the Fourth Proportional to 12,802,962.16, 19,209,633.90 and 5,610,706.48

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Solution

The fourth proportional to 12,802,962.16, 19,209,633.90 and 5,610,706.48 is: 8,418,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,802,962.16 : 19,209,633.90 = 5,610,706.48 : x
  2. Step 2: Convert to fraction form
    12,802,962.16/19,209,633.90 = 5,610,706.48/x
  3. Step 3: Cross multiply
    12,802,962.16x = 19,209,633.90 × 5,610,706.48
  4. Step 4: Simplify right side
    12,802,962.16x = 107,779,617,401,157.67
  5. Step 5: Solve for x
    x = 107,779,617,401,157.67/12,802,962.16
  6. Step 6: Final answer
    x = 8,418,334.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.