Home / 14,382,011.76-21,570,108.12-5,280,985.68

Finding the Fourth Proportional to 14,382,011.76, 21,570,108.12 and 5,280,985.68

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Solution

The fourth proportional to 14,382,011.76, 21,570,108.12 and 5,280,985.68 is: 7,920,410.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382,011.76 : 21,570,108.12 = 5,280,985.68 : x
  2. Step 2: Convert to fraction form
    14,382,011.76/21,570,108.12 = 5,280,985.68/x
  3. Step 3: Cross multiply
    14,382,011.76x = 21,570,108.12 × 5,280,985.68
  4. Step 4: Simplify right side
    14,382,011.76x = 113,911,432,097,771.72
  5. Step 5: Solve for x
    x = 113,911,432,097,771.72/14,382,011.76
  6. Step 6: Final answer
    x = 7,920,410.16

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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.