Home / 15,574,220.69-21,492,298.22-8,604,876.51

Finding the Fourth Proportional to 15,574,220.69, 21,492,298.22 and 8,604,876.51

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Solution

The fourth proportional to 15,574,220.69, 21,492,298.22 and 8,604,876.51 is: 11,874,659.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,574,220.69 : 21,492,298.22 = 8,604,876.51 : x
  2. Step 2: Convert to fraction form
    15,574,220.69/21,492,298.22 = 8,604,876.51/x
  3. Step 3: Cross multiply
    15,574,220.69x = 21,492,298.22 × 8,604,876.51
  4. Step 4: Simplify right side
    15,574,220.69x = 184,938,572,056,168.44
  5. Step 5: Solve for x
    x = 184,938,572,056,168.44/15,574,220.69
  6. Step 6: Final answer
    x = 11,874,659.79

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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.