Home / 15,499,272.60-23,238,411.30-7,920,005.40

Finding the Fourth Proportional to 15,499,272.60, 23,238,411.30 and 7,920,005.40

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Solution

The fourth proportional to 15,499,272.60, 23,238,411.30 and 7,920,005.40 is: 11,874,643.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,499,272.60 : 23,238,411.30 = 7,920,005.40 : x
  2. Step 2: Convert to fraction form
    15,499,272.60/23,238,411.30 = 7,920,005.40/x
  3. Step 3: Cross multiply
    15,499,272.60x = 23,238,411.30 × 7,920,005.40
  4. Step 4: Simplify right side
    15,499,272.60x = 184,048,342,983,421.03
  5. Step 5: Solve for x
    x = 184,048,342,983,421.03/15,499,272.60
  6. Step 6: Final answer
    x = 11,874,643.91

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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.