Finding the Fourth Proportional to 49,498,118.55, 74,238,615.68 and 13,107,031.74
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Solution
The fourth proportional to 49,498,118.55, 74,238,615.68 and 13,107,031.74 is: 19,658,280.36
Step by Step Solution
- Step 1: Write the proportion equation
49,498,118.55 : 74,238,615.68 = 13,107,031.74 : x - Step 2: Convert to fraction form
49,498,118.55/74,238,615.68 = 13,107,031.74/x - Step 3: Cross multiply
49,498,118.55x = 74,238,615.68 × 13,107,031.74 - Step 4: Simplify right side
49,498,118.55x = 973,047,891,985,886.50 - Step 5: Solve for x
x = 973,047,891,985,886.50/49,498,118.55 - Step 6: Final answer
x = 19,658,280.36
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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.