Home / 7,920,070.87-10,929,702.24-4,298,398.87

Finding the Fourth Proportional to 7,920,070.87, 10,929,702.24 and 4,298,398.87

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Solution

The fourth proportional to 7,920,070.87, 10,929,702.24 and 4,298,398.87 is: 5,931,792.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,070.87 : 10,929,702.24 = 4,298,398.87 : x
  2. Step 2: Convert to fraction form
    7,920,070.87/10,929,702.24 = 4,298,398.87/x
  3. Step 3: Cross multiply
    7,920,070.87x = 10,929,702.24 × 4,298,398.87
  4. Step 4: Simplify right side
    7,920,070.87x = 46,980,219,757,852.47
  5. Step 5: Solve for x
    x = 46,980,219,757,852.47/7,920,070.87
  6. Step 6: Final answer
    x = 5,931,792.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.