Home / 15,208,586.81-20,988,690.26-8,684,312.01

Finding the Fourth Proportional to 15,208,586.81, 20,988,690.26 and 8,684,312.01

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Solution

The fourth proportional to 15,208,586.81, 20,988,690.26 and 8,684,312.01 is: 11,984,830.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,208,586.81 : 20,988,690.26 = 8,684,312.01 : x
  2. Step 2: Convert to fraction form
    15,208,586.81/20,988,690.26 = 8,684,312.01/x
  3. Step 3: Cross multiply
    15,208,586.81x = 20,988,690.26 × 8,684,312.01
  4. Step 4: Simplify right side
    15,208,586.81x = 182,272,334,855,666.44
  5. Step 5: Solve for x
    x = 182,272,334,855,666.44/15,208,586.81
  6. Step 6: Final answer
    x = 11,984,830.49

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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.