Home / 28,308,004.40-42,462,006.60-7,032,868.40

Finding the Fourth Proportional to 28,308,004.40, 42,462,006.60 and 7,032,868.40

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Solution

The fourth proportional to 28,308,004.40, 42,462,006.60 and 7,032,868.40 is: 10,549,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,308,004.40 : 42,462,006.60 = 7,032,868.40 : x
  2. Step 2: Convert to fraction form
    28,308,004.40/42,462,006.60 = 7,032,868.40/x
  3. Step 3: Cross multiply
    28,308,004.40x = 42,462,006.60 × 7,032,868.40
  4. Step 4: Simplify right side
    28,308,004.40x = 298,629,704,417,731.44
  5. Step 5: Solve for x
    x = 298,629,704,417,731.44/28,308,004.40
  6. Step 6: Final answer
    x = 10,549,302.60

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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.