Home / 28,016,314.70-42,030,376.95-8,849,009.30

Finding the Fourth Proportional to 28,016,314.70, 42,030,376.95 and 8,849,009.30

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Solution

The fourth proportional to 28,016,314.70, 42,030,376.95 and 8,849,009.30 is: 13,275,379.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,016,314.70 : 42,030,376.95 = 8,849,009.30 : x
  2. Step 2: Convert to fraction form
    28,016,314.70/42,030,376.95 = 8,849,009.30/x
  3. Step 3: Cross multiply
    28,016,314.70x = 42,030,376.95 × 8,849,009.30
  4. Step 4: Simplify right side
    28,016,314.70x = 371,927,196,513,055.69
  5. Step 5: Solve for x
    x = 371,927,196,513,055.69/28,016,314.70
  6. Step 6: Final answer
    x = 13,275,379.02

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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.