Home / 12,960,063.60-19,440,095.40-8,928,985.20

Finding the Fourth Proportional to 12,960,063.60, 19,440,095.40 and 8,928,985.20

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Solution

The fourth proportional to 12,960,063.60, 19,440,095.40 and 8,928,985.20 is: 13,393,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,063.60 : 19,440,095.40 = 8,928,985.20 : x
  2. Step 2: Convert to fraction form
    12,960,063.60/19,440,095.40 = 8,928,985.20/x
  3. Step 3: Cross multiply
    12,960,063.60x = 19,440,095.40 × 8,928,985.20
  4. Step 4: Simplify right side
    12,960,063.60x = 173,580,324,113,188.06
  5. Step 5: Solve for x
    x = 173,580,324,113,188.06/12,960,063.60
  6. Step 6: Final answer
    x = 13,393,477.80

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1.5x scale

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.