Home / 10,947,985.40-16,422,196.80-2,860,459.40

Finding the Fourth Proportional to 10,947,985.40, 16,422,196.80 and 2,860,459.40

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Solution

The fourth proportional to 10,947,985.40, 16,422,196.80 and 2,860,459.40 is: 4,290,746.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947,985.40 : 16,422,196.80 = 2,860,459.40 : x
  2. Step 2: Convert to fraction form
    10,947,985.40/16,422,196.80 = 2,860,459.40/x
  3. Step 3: Cross multiply
    10,947,985.40x = 16,422,196.80 × 2,860,459.40
  4. Step 4: Simplify right side
    10,947,985.40x = 46,975,027,205,209.92
  5. Step 5: Solve for x
    x = 46,975,027,205,209.92/10,947,985.40
  6. Step 6: Final answer
    x = 4,290,746.24

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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.