Home / 39,081,389.46-53,938,785.90-21,683,339.72

Finding the Fourth Proportional to 39,081,389.46, 53,938,785.90 and 21,683,339.72

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Solution

The fourth proportional to 39,081,389.46, 53,938,785.90 and 21,683,339.72 is: 29,926,597.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,081,389.46 : 53,938,785.90 = 21,683,339.72 : x
  2. Step 2: Convert to fraction form
    39,081,389.46/53,938,785.90 = 21,683,339.72/x
  3. Step 3: Cross multiply
    39,081,389.46x = 53,938,785.90 × 21,683,339.72
  4. Step 4: Simplify right side
    39,081,389.46x = 1,169,573,018,484,352
  5. Step 5: Solve for x
    x = 1,169,573,018,484,352/39,081,389.46
  6. Step 6: Final answer
    x = 29,926,597.66

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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.