Home / 28,243,886.70-42,365,830.05-8,046,504.30

Finding the Fourth Proportional to 28,243,886.70, 42,365,830.05 and 8,046,504.30

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Solution

The fourth proportional to 28,243,886.70, 42,365,830.05 and 8,046,504.30 is: 12,069,756.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,243,886.70 : 42,365,830.05 = 8,046,504.30 : x
  2. Step 2: Convert to fraction form
    28,243,886.70/42,365,830.05 = 8,046,504.30/x
  3. Step 3: Cross multiply
    28,243,886.70x = 42,365,830.05 × 8,046,504.30
  4. Step 4: Simplify right side
    28,243,886.70x = 340,896,833,670,394.19
  5. Step 5: Solve for x
    x = 340,896,833,670,394.19/28,243,886.70
  6. Step 6: Final answer
    x = 12,069,756.45

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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.