Home / 15,574,217.40-21,492,645.50-8,605,055.30

Finding the Fourth Proportional to 15,574,217.40, 21,492,645.50 and 8,605,055.30

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Solution

The fourth proportional to 15,574,217.40, 21,492,645.50 and 8,605,055.30 is: 11,875,100.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,574,217.40 : 21,492,645.50 = 8,605,055.30 : x
  2. Step 2: Convert to fraction form
    15,574,217.40/21,492,645.50 = 8,605,055.30/x
  3. Step 3: Cross multiply
    15,574,217.40x = 21,492,645.50 × 8,605,055.30
  4. Step 4: Simplify right side
    15,574,217.40x = 184,945,402,984,845.56
  5. Step 5: Solve for x
    x = 184,945,402,984,845.56/15,574,217.40
  6. Step 6: Final answer
    x = 11,875,100.89

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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.