Home / 14,000,312.10-21,000,468.15-12,565,421.40

Finding the Fourth Proportional to 14,000,312.10, 21,000,468.15 and 12,565,421.40

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Solution

The fourth proportional to 14,000,312.10, 21,000,468.15 and 12,565,421.40 is: 18,848,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000,312.10 : 21,000,468.15 = 12,565,421.40 : x
  2. Step 2: Convert to fraction form
    14,000,312.10/21,000,468.15 = 12,565,421.40/x
  3. Step 3: Cross multiply
    14,000,312.10x = 21,000,468.15 × 12,565,421.40
  4. Step 4: Simplify right side
    14,000,312.10x = 263,879,731,902,028.41
  5. Step 5: Solve for x
    x = 263,879,731,902,028.41/14,000,312.10
  6. Step 6: Final answer
    x = 18,848,132.10

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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.