Finding the Fourth Proportional to 7,428,159.82, 10,249,913.54 and 4,329,908.00
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Solution
The fourth proportional to 7,428,159.82, 10,249,913.54 and 4,329,908.00 is: 5,974,721.02
Step by Step Solution
- Step 1: Write the proportion equation
7,428,159.82 : 10,249,913.54 = 4,329,908.00 : x - Step 2: Convert to fraction form
7,428,159.82/10,249,913.54 = 4,329,908.00/x - Step 3: Cross multiply
7,428,159.82x = 10,249,913.54 × 4,329,908.00 - Step 4: Simplify right side
7,428,159.82x = 44,381,182,574,079.98 - Step 5: Solve for x
x = 44,381,182,574,079.98/7,428,159.82 - Step 6: Final answer
x = 5,974,721.02
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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.