Finding the Fourth Proportional to 26,386,038.81, 39,535,282.71 and 18,671,434.65
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Solution
The fourth proportional to 26,386,038.81, 39,535,282.71 and 18,671,434.65 is: 27,976,175.31
Step by Step Solution
- Step 1: Write the proportion equation
26,386,038.81 : 39,535,282.71 = 18,671,434.65 : x - Step 2: Convert to fraction form
26,386,038.81/39,535,282.71 = 18,671,434.65/x - Step 3: Cross multiply
26,386,038.81x = 39,535,282.71 × 18,671,434.65 - Step 4: Simplify right side
26,386,038.81x = 738,180,447,489,039.88 - Step 5: Solve for x
x = 738,180,447,489,039.88/26,386,038.81 - Step 6: Final answer
x = 27,976,175.31
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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.