Home / 28,724,905.94-42,834,374.39-28,465,828.46

Finding the Fourth Proportional to 28,724,905.94, 42,834,374.39 and 28,465,828.46

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Solution

The fourth proportional to 28,724,905.94, 42,834,374.39 and 28,465,828.46 is: 42,448,039.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724,905.94 : 42,834,374.39 = 28,465,828.46 : x
  2. Step 2: Convert to fraction form
    28,724,905.94/42,834,374.39 = 28,465,828.46/x
  3. Step 3: Cross multiply
    28,724,905.94x = 42,834,374.39 × 28,465,828.46
  4. Step 4: Simplify right side
    28,724,905.94x = 1,219,315,953,220,656
  5. Step 5: Solve for x
    x = 1,219,315,953,220,656/28,724,905.94
  6. Step 6: Final answer
    x = 42,448,039.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.