Home / 12,960,518.10-19,440,777.15-7,291,814.10

Finding the Fourth Proportional to 12,960,518.10, 19,440,777.15 and 7,291,814.10

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Solution

The fourth proportional to 12,960,518.10, 19,440,777.15 and 7,291,814.10 is: 10,937,721.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,518.10 : 19,440,777.15 = 7,291,814.10 : x
  2. Step 2: Convert to fraction form
    12,960,518.10/19,440,777.15 = 7,291,814.10/x
  3. Step 3: Cross multiply
    12,960,518.10x = 19,440,777.15 × 7,291,814.10
  4. Step 4: Simplify right side
    12,960,518.10x = 141,758,532,937,327.81
  5. Step 5: Solve for x
    x = 141,758,532,937,327.81/12,960,518.10
  6. Step 6: Final answer
    x = 10,937,721.15

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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.