Finding the Fourth Proportional to 26,838,217.17, 37,031,819.80 and 15,828,412.05
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Solution
The fourth proportional to 26,838,217.17, 37,031,819.80 and 15,828,412.05 is: 21,840,307.02
Step by Step Solution
- Step 1: Write the proportion equation
26,838,217.17 : 37,031,819.80 = 15,828,412.05 : x - Step 2: Convert to fraction form
26,838,217.17/37,031,819.80 = 15,828,412.05/x - Step 3: Cross multiply
26,838,217.17x = 37,031,819.80 × 15,828,412.05 - Step 4: Simplify right side
26,838,217.17x = 586,154,902,755,748.62 - Step 5: Solve for x
x = 586,154,902,755,748.62/26,838,217.17 - Step 6: Final answer
x = 21,840,307.02
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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.