Home / 15,316,382.07-21,136,607.54-8,440,864.14

Finding the Fourth Proportional to 15,316,382.07, 21,136,607.54 and 8,440,864.14

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Solution

The fourth proportional to 15,316,382.07, 21,136,607.54 and 8,440,864.14 is: 11,648,392.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,316,382.07 : 21,136,607.54 = 8,440,864.14 : x
  2. Step 2: Convert to fraction form
    15,316,382.07/21,136,607.54 = 8,440,864.14/x
  3. Step 3: Cross multiply
    15,316,382.07x = 21,136,607.54 × 8,440,864.14
  4. Step 4: Simplify right side
    15,316,382.07x = 178,411,232,625,639.62
  5. Step 5: Solve for x
    x = 178,411,232,625,639.62/15,316,382.07
  6. Step 6: Final answer
    x = 11,648,392.67

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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.