Home / 38,742,955.02-53,469,057-28,936,381.41

Finding the Fourth Proportional to 38,742,955.02, 53,469,057 and 28,936,381.41

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Solution

The fourth proportional to 38,742,955.02, 53,469,057 and 28,936,381.41 is: 39,935,028.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,742,955.02 : 53,469,057 = 28,936,381.41 : x
  2. Step 2: Convert to fraction form
    38,742,955.02/53,469,057 = 28,936,381.41/x
  3. Step 3: Cross multiply
    38,742,955.02x = 53,469,057 × 28,936,381.41
  4. Step 4: Simplify right side
    38,742,955.02x = 1,547,201,026,985,030.50
  5. Step 5: Solve for x
    x = 1,547,201,026,985,030.50/38,742,955.02
  6. Step 6: Final answer
    x = 39,935,028.86

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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.