Home / 14,258,688.78-19,676,995.03-7,732,316.28

Finding the Fourth Proportional to 14,258,688.78, 19,676,995.03 and 7,732,316.28

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Solution

The fourth proportional to 14,258,688.78, 19,676,995.03 and 7,732,316.28 is: 10,670,598.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258,688.78 : 19,676,995.03 = 7,732,316.28 : x
  2. Step 2: Convert to fraction form
    14,258,688.78/19,676,995.03 = 7,732,316.28/x
  3. Step 3: Cross multiply
    14,258,688.78x = 19,676,995.03 × 7,732,316.28
  4. Step 4: Simplify right side
    14,258,688.78x = 152,148,749,011,948.09
  5. Step 5: Solve for x
    x = 152,148,749,011,948.09/14,258,688.78
  6. Step 6: Final answer
    x = 10,670,598.91

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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.