Home / 42,964,860.90-64,445,543.56-10,615,948.80

Finding the Fourth Proportional to 42,964,860.90, 64,445,543.56 and 10,615,948.80

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Solution

The fourth proportional to 42,964,860.90, 64,445,543.56 and 10,615,948.80 is: 15,923,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,964,860.90 : 64,445,543.56 = 10,615,948.80 : x
  2. Step 2: Convert to fraction form
    42,964,860.90/64,445,543.56 = 10,615,948.80/x
  3. Step 3: Cross multiply
    42,964,860.90x = 64,445,543.56 × 10,615,948.80
  4. Step 4: Simplify right side
    42,964,860.90x = 684,150,590,821,129.75
  5. Step 5: Solve for x
    x = 684,150,590,821,129.75/42,964,860.90
  6. Step 6: Final answer
    x = 15,923,491.35

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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.