Home / 28,533,083.09-42,742,937.59-15,721,812.05

Finding the Fourth Proportional to 28,533,083.09, 42,742,937.59 and 15,721,812.05

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Solution

The fourth proportional to 28,533,083.09, 42,742,937.59 and 15,721,812.05 is: 23,551,483.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,533,083.09 : 42,742,937.59 = 15,721,812.05 : x
  2. Step 2: Convert to fraction form
    28,533,083.09/42,742,937.59 = 15,721,812.05/x
  3. Step 3: Cross multiply
    28,533,083.09x = 42,742,937.59 × 15,721,812.05
  4. Step 4: Simplify right side
    28,533,083.09x = 671,996,431,001,840.75
  5. Step 5: Solve for x
    x = 671,996,431,001,840.75/28,533,083.09
  6. Step 6: Final answer
    x = 23,551,483.34

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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.