Home / 21,712,840.07-32,570,307.53-7,139,436.91

Finding the Fourth Proportional to 21,712,840.07, 32,570,307.53 and 7,139,436.91

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Solution

The fourth proportional to 21,712,840.07, 32,570,307.53 and 7,139,436.91 is: 10,709,499.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,712,840.07 : 32,570,307.53 = 7,139,436.91 : x
  2. Step 2: Convert to fraction form
    21,712,840.07/32,570,307.53 = 7,139,436.91/x
  3. Step 3: Cross multiply
    21,712,840.07x = 32,570,307.53 × 7,139,436.91
  4. Step 4: Simplify right side
    21,712,840.07x = 232,533,655,686,155.75
  5. Step 5: Solve for x
    x = 232,533,655,686,155.75/21,712,840.07
  6. Step 6: Final answer
    x = 10,709,499.77

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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.