Finding the Fourth Proportional to 51,425,152.42, 70,963,216.49 and 28,221,774.06
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Solution
The fourth proportional to 51,425,152.42, 70,963,216.49 and 28,221,774.06 is: 38,944,130.80
Step by Step Solution
- Step 1: Write the proportion equation
51,425,152.42 : 70,963,216.49 = 28,221,774.06 : x - Step 2: Convert to fraction form
51,425,152.42/70,963,216.49 = 28,221,774.06/x - Step 3: Cross multiply
51,425,152.42x = 70,963,216.49 × 28,221,774.06 - Step 4: Simplify right side
51,425,152.42x = 2,002,707,862,351,646 - Step 5: Solve for x
x = 2,002,707,862,351,646/51,425,152.42 - Step 6: Final answer
x = 38,944,130.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.