Home / 28,277,683.60-42,438,643.80-13,133,491.60

Finding the Fourth Proportional to 28,277,683.60, 42,438,643.80 and 13,133,491.60

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Solution

The fourth proportional to 28,277,683.60, 42,438,643.80 and 13,133,491.60 is: 19,710,510.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,277,683.60 : 42,438,643.80 = 13,133,491.60 : x
  2. Step 2: Convert to fraction form
    28,277,683.60/42,438,643.80 = 13,133,491.60/x
  3. Step 3: Cross multiply
    28,277,683.60x = 42,438,643.80 × 13,133,491.60
  4. Step 4: Simplify right side
    28,277,683.60x = 557,367,571,862,692
  5. Step 5: Solve for x
    x = 557,367,571,862,692/28,277,683.60
  6. Step 6: Final answer
    x = 19,710,510.23

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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.