Home / 42,692,605.20-64,038,907.80-10,779,901.20

Finding the Fourth Proportional to 42,692,605.20, 64,038,907.80 and 10,779,901.20

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Solution

The fourth proportional to 42,692,605.20, 64,038,907.80 and 10,779,901.20 is: 16,169,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,692,605.20 : 64,038,907.80 = 10,779,901.20 : x
  2. Step 2: Convert to fraction form
    42,692,605.20/64,038,907.80 = 10,779,901.20/x
  3. Step 3: Cross multiply
    42,692,605.20x = 64,038,907.80 × 10,779,901.20
  4. Step 4: Simplify right side
    42,692,605.20x = 690,333,099,039,909.25
  5. Step 5: Solve for x
    x = 690,333,099,039,909.25/42,692,605.20
  6. Step 6: Final answer
    x = 16,169,851.80

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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.