Finding the Fourth Proportional to 7,178,048.68, 9,909,024.42 and 4,425,228.04
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Solution
The fourth proportional to 7,178,048.68, 9,909,024.42 and 4,425,228.04 is: 6,108,859.76
Step by Step Solution
- Step 1: Write the proportion equation
7,178,048.68 : 9,909,024.42 = 4,425,228.04 : x - Step 2: Convert to fraction form
7,178,048.68/9,909,024.42 = 4,425,228.04/x - Step 3: Cross multiply
7,178,048.68x = 9,909,024.42 × 4,425,228.04 - Step 4: Simplify right side
7,178,048.68x = 43,849,692,712,428.73 - Step 5: Solve for x
x = 43,849,692,712,428.73/7,178,048.68 - Step 6: Final answer
x = 6,108,859.76
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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.