Home / 12,590,106.66-17,374,348.02-7,157,598.66

Finding the Fourth Proportional to 12,590,106.66, 17,374,348.02 and 7,157,598.66

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Solution

The fourth proportional to 12,590,106.66, 17,374,348.02 and 7,157,598.66 is: 9,877,486.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590,106.66 : 17,374,348.02 = 7,157,598.66 : x
  2. Step 2: Convert to fraction form
    12,590,106.66/17,374,348.02 = 7,157,598.66/x
  3. Step 3: Cross multiply
    12,590,106.66x = 17,374,348.02 × 7,157,598.66
  4. Step 4: Simplify right side
    12,590,106.66x = 124,358,610,106,325.66
  5. Step 5: Solve for x
    x = 124,358,610,106,325.66/12,590,106.66
  6. Step 6: Final answer
    x = 9,877,486.62

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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.