Home / 30,476,211.55-45,714,406.01-12,964,256.87

Finding the Fourth Proportional to 30,476,211.55, 45,714,406.01 and 12,964,256.87

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Solution

The fourth proportional to 30,476,211.55, 45,714,406.01 and 12,964,256.87 is: 19,446,423.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,476,211.55 : 45,714,406.01 = 12,964,256.87 : x
  2. Step 2: Convert to fraction form
    30,476,211.55/45,714,406.01 = 12,964,256.87/x
  3. Step 3: Cross multiply
    30,476,211.55x = 45,714,406.01 × 12,964,256.87
  4. Step 4: Simplify right side
    30,476,211.55x = 592,653,301,879,718.50
  5. Step 5: Solve for x
    x = 592,653,301,879,718.50/30,476,211.55
  6. Step 6: Final answer
    x = 19,446,423.02

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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.