Home / 20,997,075.60-31,495,613.40-12,473,024.40

Finding the Fourth Proportional to 20,997,075.60, 31,495,613.40 and 12,473,024.40

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Solution

The fourth proportional to 20,997,075.60, 31,495,613.40 and 12,473,024.40 is: 18,709,536.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,997,075.60 : 31,495,613.40 = 12,473,024.40 : x
  2. Step 2: Convert to fraction form
    20,997,075.60/31,495,613.40 = 12,473,024.40/x
  3. Step 3: Cross multiply
    20,997,075.60x = 31,495,613.40 × 12,473,024.40
  4. Step 4: Simplify right side
    20,997,075.60x = 392,845,554,431,166.94
  5. Step 5: Solve for x
    x = 392,845,554,431,166.94/20,997,075.60
  6. Step 6: Final answer
    x = 18,709,536.60

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1.5x scale

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.