Home / 42,698,498-64,054,382.52-14,338,285.52

Finding the Fourth Proportional to 42,698,498, 64,054,382.52 and 14,338,285.52

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Solution

The fourth proportional to 42,698,498, 64,054,382.52 and 14,338,285.52 is: 21,509,656.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,698,498 : 64,054,382.52 = 14,338,285.52 : x
  2. Step 2: Convert to fraction form
    42,698,498/64,054,382.52 = 14,338,285.52/x
  3. Step 3: Cross multiply
    42,698,498x = 64,054,382.52 × 14,338,285.52
  4. Step 4: Simplify right side
    42,698,498x = 918,430,025,379,057.12
  5. Step 5: Solve for x
    x = 918,430,025,379,057.12/42,698,498
  6. Step 6: Final answer
    x = 21,509,656.51

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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.