Home / 28,881,539.83-43,336,322.37-12,705,389.24

Finding the Fourth Proportional to 28,881,539.83, 43,336,322.37 and 12,705,389.24

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Solution

The fourth proportional to 28,881,539.83, 43,336,322.37 and 12,705,389.24 is: 19,064,248.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881,539.83 : 43,336,322.37 = 12,705,389.24 : x
  2. Step 2: Convert to fraction form
    28,881,539.83/43,336,322.37 = 12,705,389.24/x
  3. Step 3: Cross multiply
    28,881,539.83x = 43,336,322.37 × 12,705,389.24
  4. Step 4: Simplify right side
    28,881,539.83x = 550,604,843,940,969.25
  5. Step 5: Solve for x
    x = 550,604,843,940,969.25/28,881,539.83
  6. Step 6: Final answer
    x = 19,064,248.21

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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.