Home / 7,280,940.54-10,918,031.88-4,249,178.98

Finding the Fourth Proportional to 7,280,940.54, 10,918,031.88 and 4,249,178.98

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Solution

The fourth proportional to 7,280,940.54, 10,918,031.88 and 4,249,178.98 is: 6,371,796.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,940.54 : 10,918,031.88 = 4,249,178.98 : x
  2. Step 2: Convert to fraction form
    7,280,940.54/10,918,031.88 = 4,249,178.98/x
  3. Step 3: Cross multiply
    7,280,940.54x = 10,918,031.88 × 4,249,178.98
  4. Step 4: Simplify right side
    7,280,940.54x = 46,392,671,567,465.89
  5. Step 5: Solve for x
    x = 46,392,671,567,465.89/7,280,940.54
  6. Step 6: Final answer
    x = 6,371,796.52

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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.