Finding the Fourth Proportional to 19,182,967.39, 26,484,226.28 and 12,483,683.65
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Solution
The fourth proportional to 19,182,967.39, 26,484,226.28 and 12,483,683.65 is: 17,235,117.79
Step by Step Solution
- Step 1: Write the proportion equation
19,182,967.39 : 26,484,226.28 = 12,483,683.65 : x - Step 2: Convert to fraction form
19,182,967.39/26,484,226.28 = 12,483,683.65/x - Step 3: Cross multiply
19,182,967.39x = 26,484,226.28 × 12,483,683.65 - Step 4: Simplify right side
19,182,967.39x = 330,620,702,559,535 - Step 5: Solve for x
x = 330,620,702,559,535/19,182,967.39 - Step 6: Final answer
x = 17,235,117.79
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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.