Finding the Fourth Proportional to 13,087,429.79, 19,604,572.61 and 6,606,506.79
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Solution
The fourth proportional to 13,087,429.79, 19,604,572.61 and 6,606,506.79 is: 9,896,346.66
Step by Step Solution
- Step 1: Write the proportion equation
13,087,429.79 : 19,604,572.61 = 6,606,506.79 : x - Step 2: Convert to fraction form
13,087,429.79/19,604,572.61 = 6,606,506.79/x - Step 3: Cross multiply
13,087,429.79x = 19,604,572.61 × 6,606,506.79 - Step 4: Simplify right side
13,087,429.79x = 129,517,742,029,980.48 - Step 5: Solve for x
x = 129,517,742,029,980.48/13,087,429.79 - Step 6: Final answer
x = 9,896,346.66
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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.