Home / 14,144,352.64-21,311,044.85-12,779,712.63

Finding the Fourth Proportional to 14,144,352.64, 21,311,044.85 and 12,779,712.63

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Solution

The fourth proportional to 14,144,352.64, 21,311,044.85 and 12,779,712.63 is: 19,254,965.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144,352.64 : 21,311,044.85 = 12,779,712.63 : x
  2. Step 2: Convert to fraction form
    14,144,352.64/21,311,044.85 = 12,779,712.63/x
  3. Step 3: Cross multiply
    14,144,352.64x = 21,311,044.85 × 12,779,712.63
  4. Step 4: Simplify right side
    14,144,352.64x = 272,349,029,028,041.50
  5. Step 5: Solve for x
    x = 272,349,029,028,041.50/14,144,352.64
  6. Step 6: Final answer
    x = 19,254,965.99

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.