Home / 13,679,459.34-18,877,672.26-7,485,088.02

Finding the Fourth Proportional to 13,679,459.34, 18,877,672.26 and 7,485,088.02

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Solution

The fourth proportional to 13,679,459.34, 18,877,672.26 and 7,485,088.02 is: 10,329,431.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,679,459.34 : 18,877,672.26 = 7,485,088.02 : x
  2. Step 2: Convert to fraction form
    13,679,459.34/18,877,672.26 = 7,485,088.02/x
  3. Step 3: Cross multiply
    13,679,459.34x = 18,877,672.26 × 7,485,088.02
  4. Step 4: Simplify right side
    13,679,459.34x = 141,301,038,478,812.34
  5. Step 5: Solve for x
    x = 141,301,038,478,812.34/13,679,459.34
  6. Step 6: Final answer
    x = 10,329,431.52

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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.