Home / 13,249,712.16-19,878,767.28-4,729,860

Finding the Fourth Proportional to 13,249,712.16, 19,878,767.28 and 4,729,860

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Solution

The fourth proportional to 13,249,712.16, 19,878,767.28 and 4,729,860 is: 7,096,288.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249,712.16 : 19,878,767.28 = 4,729,860 : x
  2. Step 2: Convert to fraction form
    13,249,712.16/19,878,767.28 = 4,729,860/x
  3. Step 3: Cross multiply
    13,249,712.16x = 19,878,767.28 × 4,729,860
  4. Step 4: Simplify right side
    13,249,712.16x = 94,023,786,206,980.81
  5. Step 5: Solve for x
    x = 94,023,786,206,980.81/13,249,712.16
  6. Step 6: Final answer
    x = 7,096,288.97

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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.