Home / 12,994,721.60-19,492,082.40-8,963,643.20

Finding the Fourth Proportional to 12,994,721.60, 19,492,082.40 and 8,963,643.20

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Solution

The fourth proportional to 12,994,721.60, 19,492,082.40 and 8,963,643.20 is: 13,445,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,994,721.60 : 19,492,082.40 = 8,963,643.20 : x
  2. Step 2: Convert to fraction form
    12,994,721.60/19,492,082.40 = 8,963,643.20/x
  3. Step 3: Cross multiply
    12,994,721.60x = 19,492,082.40 × 8,963,643.20
  4. Step 4: Simplify right side
    12,994,721.60x = 174,720,071,858,599.66
  5. Step 5: Solve for x
    x = 174,720,071,858,599.66/12,994,721.60
  6. Step 6: Final answer
    x = 13,445,464.80

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1.5x scale

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.