Home / 28,445,176.04-42,667,784.81-6,879,798.50

Finding the Fourth Proportional to 28,445,176.04, 42,667,784.81 and 6,879,798.50

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Solution

The fourth proportional to 28,445,176.04, 42,667,784.81 and 6,879,798.50 is: 10,319,702.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,445,176.04 : 42,667,784.81 = 6,879,798.50 : x
  2. Step 2: Convert to fraction form
    28,445,176.04/42,667,784.81 = 6,879,798.50/x
  3. Step 3: Cross multiply
    28,445,176.04x = 42,667,784.81 × 6,879,798.50
  4. Step 4: Simplify right side
    28,445,176.04x = 293,545,761,934,160.81
  5. Step 5: Solve for x
    x = 293,545,761,934,160.81/28,445,176.04
  6. Step 6: Final answer
    x = 10,319,702.77

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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.