Home / 13,698,312.88-18,903,624.60-7,897,066.96

Finding the Fourth Proportional to 13,698,312.88, 18,903,624.60 and 7,897,066.96

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Solution

The fourth proportional to 13,698,312.88, 18,903,624.60 and 7,897,066.96 is: 10,897,925.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,312.88 : 18,903,624.60 = 7,897,066.96 : x
  2. Step 2: Convert to fraction form
    13,698,312.88/18,903,624.60 = 7,897,066.96/x
  3. Step 3: Cross multiply
    13,698,312.88x = 18,903,624.60 × 7,897,066.96
  4. Step 4: Simplify right side
    13,698,312.88x = 149,283,189,252,903.22
  5. Step 5: Solve for x
    x = 149,283,189,252,903.22/13,698,312.88
  6. Step 6: Final answer
    x = 10,897,925.21

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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.