Home / 15,678,210.60-23,517,315.90-9,938,647.80

Finding the Fourth Proportional to 15,678,210.60, 23,517,315.90 and 9,938,647.80

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Solution

The fourth proportional to 15,678,210.60, 23,517,315.90 and 9,938,647.80 is: 14,907,971.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678,210.60 : 23,517,315.90 = 9,938,647.80 : x
  2. Step 2: Convert to fraction form
    15,678,210.60/23,517,315.90 = 9,938,647.80/x
  3. Step 3: Cross multiply
    15,678,210.60x = 23,517,315.90 × 9,938,647.80
  4. Step 4: Simplify right side
    15,678,210.60x = 233,730,319,931,440.03
  5. Step 5: Solve for x
    x = 233,730,319,931,440.03/15,678,210.60
  6. Step 6: Final answer
    x = 14,907,971.70

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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.