Home / 14,538,045.60-21,783,448.80-12,128,846.40

Finding the Fourth Proportional to 14,538,045.60, 21,783,448.80 and 12,128,846.40

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Solution

The fourth proportional to 14,538,045.60, 21,783,448.80 and 12,128,846.40 is: 18,173,564.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,538,045.60 : 21,783,448.80 = 12,128,846.40 : x
  2. Step 2: Convert to fraction form
    14,538,045.60/21,783,448.80 = 12,128,846.40/x
  3. Step 3: Cross multiply
    14,538,045.60x = 21,783,448.80 × 12,128,846.40
  4. Step 4: Simplify right side
    14,538,045.60x = 264,208,104,557,464.34
  5. Step 5: Solve for x
    x = 264,208,104,557,464.34/14,538,045.60
  6. Step 6: Final answer
    x = 18,173,564.17

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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.