Home / 30,504,051.60-45,756,040.64-7,784,951.28

Finding the Fourth Proportional to 30,504,051.60, 45,756,040.64 and 7,784,951.28

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Solution

The fourth proportional to 30,504,051.60, 45,756,040.64 and 7,784,951.28 is: 11,677,417.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,504,051.60 : 45,756,040.64 = 7,784,951.28 : x
  2. Step 2: Convert to fraction form
    30,504,051.60/45,756,040.64 = 7,784,951.28/x
  3. Step 3: Cross multiply
    30,504,051.60x = 45,756,040.64 × 7,784,951.28
  4. Step 4: Simplify right side
    30,504,051.60x = 356,208,547,148,100.06
  5. Step 5: Solve for x
    x = 356,208,547,148,100.06/30,504,051.60
  6. Step 6: Final answer
    x = 11,677,417.54

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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.