Home / 12,898,731.36-17,799,715.59-7,018,389.74

Finding the Fourth Proportional to 12,898,731.36, 17,799,715.59 and 7,018,389.74

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Solution

The fourth proportional to 12,898,731.36, 17,799,715.59 and 7,018,389.74 is: 9,685,087.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898,731.36 : 17,799,715.59 = 7,018,389.74 : x
  2. Step 2: Convert to fraction form
    12,898,731.36/17,799,715.59 = 7,018,389.74/x
  3. Step 3: Cross multiply
    12,898,731.36x = 17,799,715.59 × 7,018,389.74
  4. Step 4: Simplify right side
    12,898,731.36x = 124,925,341,271,774.05
  5. Step 5: Solve for x
    x = 124,925,341,271,774.05/12,898,731.36
  6. Step 6: Final answer
    x = 9,685,087.46

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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.