Finding the Fourth Proportional to 17,967,031.70, 26,950,547.55 and 15,132,679.70
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Solution
The fourth proportional to 17,967,031.70, 26,950,547.55 and 15,132,679.70 is: 22,699,019.55
Step by Step Solution
- Step 1: Write the proportion equation
17,967,031.70 : 26,950,547.55 = 15,132,679.70 : x - Step 2: Convert to fraction form
17,967,031.70/26,950,547.55 = 15,132,679.70/x - Step 3: Cross multiply
17,967,031.70x = 26,950,547.55 × 15,132,679.70 - Step 4: Simplify right side
17,967,031.70x = 407,834,003,813,769.75 - Step 5: Solve for x
x = 407,834,003,813,769.75/17,967,031.70 - Step 6: Final answer
x = 22,699,019.55
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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.