Home / 13,249,715.16-19,878,771.78-4,729,863

Finding the Fourth Proportional to 13,249,715.16, 19,878,771.78 and 4,729,863

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Solution

The fourth proportional to 13,249,715.16, 19,878,771.78 and 4,729,863 is: 7,096,293.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249,715.16 : 19,878,771.78 = 4,729,863 : x
  2. Step 2: Convert to fraction form
    13,249,715.16/19,878,771.78 = 4,729,863/x
  3. Step 3: Cross multiply
    13,249,715.16x = 19,878,771.78 × 4,729,863
  4. Step 4: Simplify right side
    13,249,715.16x = 94,023,867,127,666.14
  5. Step 5: Solve for x
    x = 94,023,867,127,666.14/13,249,715.16
  6. Step 6: Final answer
    x = 7,096,293.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.