Home / 28,533,085.84-42,742,941.71-15,721,814.80

Finding the Fourth Proportional to 28,533,085.84, 42,742,941.71 and 15,721,814.80

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Solution

The fourth proportional to 28,533,085.84, 42,742,941.71 and 15,721,814.80 is: 23,551,487.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,533,085.84 : 42,742,941.71 = 15,721,814.80 : x
  2. Step 2: Convert to fraction form
    28,533,085.84/42,742,941.71 = 15,721,814.80/x
  3. Step 3: Cross multiply
    28,533,085.84x = 42,742,941.71 × 15,721,814.80
  4. Step 4: Simplify right side
    28,533,085.84x = 671,996,613,571,815.38
  5. Step 5: Solve for x
    x = 671,996,613,571,815.38/28,533,085.84
  6. Step 6: Final answer
    x = 23,551,487.47

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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.