Home / 14,429,018-19,912,670.76-7,990,490

Finding the Fourth Proportional to 14,429,018, 19,912,670.76 and 7,990,490

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Solution

The fourth proportional to 14,429,018, 19,912,670.76 and 7,990,490 is: 11,027,222.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429,018 : 19,912,670.76 = 7,990,490 : x
  2. Step 2: Convert to fraction form
    14,429,018/19,912,670.76 = 7,990,490/x
  3. Step 3: Cross multiply
    14,429,018x = 19,912,670.76 × 7,990,490
  4. Step 4: Simplify right side
    14,429,018x = 159,111,996,581,072.41
  5. Step 5: Solve for x
    x = 159,111,996,581,072.41/14,429,018
  6. Step 6: Final answer
    x = 11,027,222.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.